Free shipping. 25"-51" for vertical doors with standard knobs and 22. A standard door jammer works by using a bar that bolsters onto the floor at one end. Add. Ideal Security Patio Door Security Bar. Available for 3+ day shipping 3+ day shipping. 31-35 in. Ball Style Hall and Closet Door Knob; Satin Nickel. current price $49. √ Highly flexible for any height of doors. Shop Amazon for Door Security Bar Adjustable,19 to 52 Inch,3 in 1 Door Stoppers Barricade Security Bar onto Door Knob,Sliding Glass Door Lock Bar for Patio Door,Sliding Door,Window,Removable Security Jammer Bar and find millions of items, delivered faster than ever. 99. FREE delivery Thu, Nov 9 . Small Business. 5 reviews. 0 out of 5 starsGreat security bar for sliding glass door. SecurityMan 2-in-1 Adjustable Door Knob Jammer and Sliding Patio Security Bar. It can easily withstand pressure up to 400 pounds. FREE delivery Wed, Nov 8 on $35 of items shipped by Amazon. This item: HoneSecur 2 Pack 2-in-1 Door Security Bar & Sliding Patio 28″ Door Stopper Security Jammer Bar Child Proof Adjustable Constructed of High Grade Iron Window Doors Security Bars, White $33. Add. USD $56. 6 total votes. #1. $ 1499. 50+ bought in past month. Model # MFC-EZA-20000. Knob Height; 13-14 in. Sponsored. FREE delivery Thu, Sep 14 . 2-in-1 Adjustable Door Knob Jammer, Sliding Patio Door Security Bar Constructed of 43. FREE delivery Fri, Nov 24 on $35 of items shipped by Amazon. Door jammer is constructed with 20-gauge steel for strength and security Measurements: Door bar adjusts from 27-1/2 in. Door jammers, also referred to as door security bars are devices that brace the doorknob and anchor to the floor. 3 out of 5 stars 275. See all 7 - listings for this product. $29. 25 in. FREE delivery Tue, Nov 14 on $35 of items shipped by Amazon. GUARD DOG SECURITY Door Jammer, Sliding Door Stopper with Alarm, 2-in-1 Adjustable Door Knob Jammer & Sliding Patio Door Security Bar – 40 Different Adjustments (White) 1 4 out of 5 Stars. Guard Dog Security Door Jammer 2-in-1 Adjustable Door Knob Jammer & Sliding Patio Door Security Bar – 40 Different Adjustments (White, 1 Pack) 4. A door jammer doesn’t prevent a lock from being picked, but it makes it incredibly difficult to force the. Small Business. Shop our selection of Door Stops & Wall Protectors in the section of Door Hardware in the Building Materials Department at The Home Depot CanadaGlass Door Knobs, Wooden Door Knobs, Copper Door Knobs and Many More . 99 $ 56 . Premade Premium Siamese Power and Video Cable (2-Pack) 50 ft. The VIRIDI security door locks are reliable and easy to use. Ready to ShipThe adjustable system allows the door bar to slide to fit most standard sized doors. $49. √ Easy to install and undo the installation. Heavy Weight Portable Door Jammer - At twice the size and a height of 7. Remove pins to adjust length of door bar,osition padded foot distanced from door based on knob height: 27-31 in. 100+ bought in past month. Best seller. 00. This metal door knob security jammer is easily adjustable to a variety of lengths. 3. 500+ bought in past month. 99. Popular items in this category. Door jammers and door wedges are somewhat different devices with the same security goals. EASY TO USE: Easily props under door knob or between sliding windows/doors and takes seconds to remove. $29. Foot Distance from Door . 6 out of 5 stars 1,572 ratings. 99. Read honest and unbiased product reviews from our users. Read. Available for 3+ day shipping 3+ day shipping. 900+ bought in past month. 74. 99. 99. 99. Add. You can see some famous brands as HoneSecur, Guard Dog Security,. Guard Dog Security 1131012 Door Keeper Expandable Door Stopper Bar with Alarm, Blue. GUARD DOG SECURITY Door Jammer, Sliding Door Stopper with Alarm, 2-in-1 Adjustable Door Knob Jammer & Sliding Patio Door Security Bar – 40 Different Adjustments (Black) 1 4 out of 5 Stars. 6 out of 5 stars 6,008. 5oz/185g, the door jammer fits easily in your luggage, backpack, or purse as a door security bar alternative. 39-43 in. 99. 2 out of 5 Stars. Delivering to Lebanon 66952. Get $5 off when you sign up for emails with savings and tips. Limit 3 per customer. Strong and Secure: This heavy-duty steel door jammer provides a high-strength barrier to a home invasion. SECURITY BAR: Angled rubber bottom assures full contact and a strong brace on all types of floors without scratching them as well as all door knob types including french doors ADJUSTABLE AND DURABLE: Bar can be adjusted between 18. 500+ bought in past month. 99. Guard Dog Security Door Jammer 2-in-1 Adjustable Door Knob Jammer & Sliding Patio Door Security Bar – 40 Different Adjustments (White, 1 Pack) 4. 99 $ 11. This will likely also fix a stuck doorknob if the springs inside the lock aren’t. Remove pins to adjust length of door bar,osition padded foot distanced from door based on knob height: 27-31 in. This compact item can be used equally well for your door and sliding patios. Guard Dog Security Door Jammer 2-in-1 Adjustable Door Knob Jammer & Sliding Patio Door Security Bar – 40 Different Adjustments (White, 1 Pack) Securityman 2-in-1 Door Security Bar with Alarm & Sliding Door Stopper Security Bar with 120db Loud Alert Siren - Durable & Rugged Iron, Sturdy on Most Floors & Windows (Protects Against Scratches) Guard Dog Security Door Jammer 2-in-1 Adjustable Door Knob Jammer & Sliding Patio Door Security Bar – 40 Different adjustments (White 2 Pack) Visit the Guard Dog Security Store 4. $32. SecurityMan Adjustable Door Knob Alarm Jammer & Sliding Patio Door White Security Bar, Durable & Rugged Iron, Sturdy On Most Floors & Windows (Protects Against Scratches) 16 4. 5 out of 5 stars 1,483. 4. 25" EASY TO USE: The door stopper alarm easily props under door knob and easy to remove. Guard Dog Security Door Jammer 2-in-1 Adjustable Door Knob Jammer & Sliding Patio Door Security Bar – 40 Different adjustments (Black 2 Pack) $56. Add. 1. (1. $4. Ball Style Knob Entry Door Lock with Single Cylinder Deadbolt; Combo Pack; Polished Brass. 1-48 of over 1,000 results for "door jammer security" Results Price and other details may vary based on product size and color. SecurityMan 2-in-1 Adjustable Door Knob Jammer and Sliding Patio Security Bar. Available for 2-day shipping 2-day shipping. 4 offers from $18. Add. 1 reviews. 7 out of 5 Stars. Credit Offered* Learn. $0. 2-in-1 Adjustable Door Knob Jammer, Sliding Patio Door Security Bar Constructed of 43. 1 reviews. FREE delivery Mon, Aug 7 . Whether it’s a small Day Care facility or 400-room school, college dorm or office complex, NIGHTLOCK® LOCKDOWN 2 provides protection in just seconds for emergency lockdown situations. com. Made from heavy-gauge steel. Compare $ 36. current price $49. 31-35 in. 2x4 Door Barricade Bracket Heavy Duty Open Bar Security Holder Bracket Security Bar Door Stopper Fits 2x4 Boards Lumber Door Jammer and Tool Hanger for Your Home Barn Shed Garage Gate (Black-Set4-M2) 4. 1 reviews. Guard Dog Security Door Jammer 2-in-1 Adjustable Door Knob Jammer & Sliding Patio Door Security Bar – 40 Different Adjustments (Pink, 1 Pack) 4. Features. A $20 door jammer usually isn't any good. The hinge pin can be removed. Add. Thanks to a patented system of hinges and angles, force from outside the door is redirected downwards, wedging DoorJammer firmly into the ground. 00. Small Business. 6 4. Hillman 851335 Door Knob Self Adhesive WAll Guard, White, 3-in. SABRE 110dB Door Handle Alarm, Extremely Loud Wireless Alarm Audible Up To 680 Ft Away, Hangs Off Door Knob or Handle, Vibration-Triggered Home Security Alarm, 3 Adjustable Settings, Great for Travel. Foot Distance from Door . Customer reviews and photos may be available to help you make the right purchase decision!. Delivers Quieter Operation to Interior Doors. 99 SecurityMan Sliding Door Security Bar For Most Patio & Window With Child Proof Sliding Door Built-In Anti Lift Lock The mobile and compact design makes this door security bar great for home, dorm room, travel and more. 99. Add. About this item. Place a flat-head steel chisel beneath the lip of the upper door hinge pin, and holding the punch at a downward angle, strike it with a hammer until the pin comes loose. $29. 6 out of 5 stars 5,850 2 in. 1 reviews. 99 $ 32 . Foot Distance from Door . Or fastest delivery Wed, Nov 15 . HANDS ON. Strong and Secure: This heavy-duty steel door jammer provides a high-strength barrier to a home invasion. In fact, you. 95. 99 $ 32. Add $ 2 08. Foot Distance from Door . Guard Dog Security Door Jammer 2-in-1 Adjustable Door Knob Jammer & Sliding Patio Door Security Bar – 40 Different Adjustments (White, 1 Pack) 4. GUARD DOG SECURITY Door Jammer, Sliding Door Stopper with Alarm, 2-in-1 Adjustable Door Knob Jammer & Sliding Patio Door Security Bar – 40 Different Adjustments (White) 1 4 out of 5 Stars. See more "Close Cart" KEYCHAIN; FOR RUNNING;. Buddybar Home Security Door Jammer Door Bar. Guard Dog Security Door Jammer 2-in-1 Adjustable Door Knob Jammer & Sliding Patio Door Security Bar – 40 Different Adjustments (White, 1 Pack) 4. $49. 25"-43. 5. Due to this, the device becomes a convenient security item to have around a house. Available for 3+ day shipping 3+ day shipping. 5 Inch (New Grey) HushBumps Ultra-Quiet Bumpers for Interior Doors 3-Pack. 500+ bought in past month. 600+ bought in past month. It boasts SmartKey features, so you can use the same key as your deadbolt. 4. Free shipping. 5 4. The rubber end caps can be removed and the brace quickly adapted for securing sliding glass doors. The Securityman Door Knob Jammer is priced extremely competitively at around about $35. 25”-39. 25” for windows or patio doors due to the sliding glass door lock caps being shorter. 5. 79. 79. FREE delivery Mon, Nov 20 . GUARD DOG SECURITY Door Jammer, Sliding Door Stopper with Alarm, 2-in-1 Adjustable Door Knob Jammer & Sliding Patio Door Security Bar – 40 Different Adjustments (White) 5 4. 2 out of 5 Stars. Get a deadbolt lock. 50” in sliding doors. Foot Distance from Door . This item: Portable Door Lock, Travel Door Lock, Hotel Motel Door Lock, Door Jammer, Apartment Security, Door Barricade, Bedroom Door Lock, Door Security Device, Porta-Lock by TOOLSGOLD $18. Masterlock Door Jammer by Securadoor - Amazon. 【Easy to Use】 Easily props under door knob and easy to remove, security burglar bar can also be easily adjusted. Lifetime Warranty included. 99. Foot Distance from Door . FREE delivery Thu, Nov 16 . (1. This security bar was used for my sliding glass door that was installed. 6 total votes. Consider equipping the door knob from each side with a door silencer like Latchy Catchy to prevent the latch. The other end then hooks underneath the actual doorknob or handle, thus jamming the door. Description: The Buddybar Door Jammer is designed for homes, dorms and traveling to help protect your valuables. 2-in-1 Adjustable Door Knob Jammer and Sliding Patio Door Security Bar - High Grade Iron (Black) (21)Designed to secure hinged doors, sliding doors, and/or windows; Can be adjusted to ensure full contact and strong grip; Made of high-quality iron to. Color Teal. 7 out of 5 stars 11. Available for 3+ day shipping 3+ day shipping. Add. Out of stock. Teachers and employees simply drop the locking handle into the floor plate. To open interior doors that don’t use high-level security doorknobs, you’ll have to take the doorknobs off and then dismantle the lock. 5 out of 5 stars 440 $32. Get $5 off when you sign up for emails with savings and tips. ️ DUAL FUNCTION: Top piece is easily removed for sliding door security. Find helpful customer reviews and review ratings for Guard Dog Security Door Jammer 2-in-1 Adjustable Door Knob Jammer & Sliding Patio Door Security Bar – 40 Different adjustments (Black w/Alarm) at Amazon. Add. 3. 8. 3 out of 5 stars 2,794Guard Dog Security Door Jammer 2-in-1 Adjustable Door Knob Jammer & Sliding Patio Door Security Bar – 40 Different Adjustments (White, 1 Pack) 4. 70. GUARD DOG SECURITY Door Jammer, Sliding Door Stopper with Alarm, 2-in-1 Adjustable Door Knob Jammer & Sliding Patio Door Security Bar – 40 Different Adjustments (White) Sponsored. #2. Add. 99 Door security bar features innovative folding design for compact storage and portability, Adjusts from 25-1/2in to 43-1/2in for use on most hinged and sliding doors. 99 $ 29. 99. Get Fast, Free Shipping with Amazon Prime. Guard Dog Security Door Jammer 2 in 1 Adjustable Door Knob Jammer & Sliding Patio Door Security Bar $30. You save. Or fastest delivery Mon, Oct 9 . HoneSecur 2-in-1 Door Security Bar & Sliding Patio 28″ Door Stopper Security Jammer Bar Child Proof Adjustable Constructed of High Grade Iron Window Doors Security Bars, White 4. List: $28. 1 reviews. 5 total votes. 6) 4. 4 out of 5 stars 669 SABRE Adjustable 2-in-1 Door Security Bar, Door Stop Bar Secures Onto Door Knob, Strong Scratch-Proof Grip, Steady Against Floor, Removable Door Knob Top For Sliding Door Use, Portable & Easy to Use 4. 99. You save. 99. If the sound persists, adjust the metal plate that is attached to the door frame so that it doesn’t grind on the latch when the door is being closed. It weighs just over 8lbs (3. Popular items in this category. current price $49. to 47. Add. All that pesky, stuck doorknob might require is a little wrist action. Currently out of stock. comDoor Stop Wedge Alarm 128 db. Small Business. This item: Guard Dog Security Door Jammer 2-in-1 Adjustable Door Knob Jammer & Sliding Patio Door Security Bar – 40 Different Adjustments (Black) $32. You'll have to improvise if the door (and door knob) are somewhat higher than normal, such as when the door leads to a lower area (example: step-down from a garage to inside the house). All Filters. This steel constructed door jammer is designed to prevent forced entry. When you want to open the door, it pulls back out very quickly and easily (important in case of a fire), and it’s adjustable so it fits every. 3 offers from $20. These door reinforcers are easy to install and they are used by. Browse door knobs now at acehardware. Adjusts up to 43-1/2 in. FREE delivery Fri, Nov 17. Two critical issues: (1) it fits well with doorknobs at regular height above the floor. 2023 Best Home Security Systems for Renters. Full HD Wired Car Camera Recorder with Impact Sensor and GPS Mapping Data. 50+ bought in past month. 5 cm) to 41. Guard Dog Security Door Jammer 2-in-1 Adjustable Door Knob Jammer & Sliding Patio Door Security Bar – 40 Different Adjustments (White, 1 Pack) 4. Doberman Security Portable Door Alarm with Flash Light, 2 alarms; Securityman 2-in-1 Adjustable Door Knob Jammer & Sliding Patio Door Security Bar - Constructed of High Grade Iron (SECURITYBAR) LOKmate Deadbolt Door Lock Security (Black on Black) SABRE Wedge Door Stop Security Alarm with 120 dB Siren - Great for Home, Travel,. Limited time deal. View MoreGuard Dog Security Door Jammer 2-in-1 Adjustable Door Knob Jammer & Sliding Patio Door Security Bar - 40 Different adjustments, Silver. Sold by Guard Dog Security and Fulfilled by Amazon. A door security bar or door jammer / brace is a reinforced metal (steel, aluminum) pole that braces horizontally against any hinged door, one end bracing against the doorknob (with a rubber grabber to securely grasp the knob) and then other end against the floor (with a rubber foot), holding itself in place and preventing any sort of forced. Available for 3+ day shipping 3+ day shipping. To swap out a doorknob for extra security at the front door or a private room in a co-living space, consider the Kwikset Tylo 400T (about $20). 99 $ 32. 1 reviews. Shop classic locking doorknobs and deadbolts as well as electronic locking options for much. 99 $ 29. Sturdy, versatile door. 99 $ 2. Find My Store. 75″ to 47. The door jammer. Buy Tops 581 Pot Knob With Finger Guard, 2Pk at Walmart. Chat now. 65. 35-39 in. 100+ bought in past month. com FREE DELIVERY possible on eligible purchases Most people were ecstatic with how this product worked as a sliding glass door security bar or in other roles. 6 out of 5 stars 1,892. 99 Guard Dog Security Door Jammer 2-in-1 Adjustable Door Knob Jammer & Sliding Patio Door Security Bar – 40 Different Adjustments (Black, 2 Pack) 4. This item: Door Jammer Door Stopper, Portable Door Security Lock for Travel/Apartment/Safety Self Defense/Personal Protection, Aluminum Alloy Anti-Slip Door Lockdown Security Device (Red) $21. GUARD DOG SECURITY Door Jammer, Sliding Door Stopper with Alarm, 2-in-1 Adjustable Door Knob Jammer & Sliding Patio Door Security Bar – 40 Different Adjustments (White) 1 4 out of 5 Stars. 9 out of 5 stars 3,906. Or fastest delivery Thu, Aug 17. Guard Dog Security; Prime. (6) $139. 99 $ 29. FREE delivery Fri, Aug 18 on $25 of items shipped by Amazon. This is the most versatile door security bar because the product can work on standard doors as well as sliding glass doors. 7" and constructed of high grade iron to withstand 350 pounds of pressure *please note: the sliding door caps decrease the maximum length to 39. Buddybar Door Jammer $109. 500+ bought in past month. Door Security Bar Adjustable,19 to 52 Inch,2Pack 3 In 1 Door Stoppers Barricade Security Bar Onto Door Knob,Sliding Glass Door Lock Bar for Patio Door,Sliding Door,Window,Removable Security Jammer Bar. 69. SABRE Adjustable 2-in-1 Door Security Bar, Door Stop Bar Secures Onto Door Knob, Strong Scratch-Proof Grip, Steady Against Floor, Removable Door Knob Top For Sliding Door Use, Portable & Easy to Use 4. Foot Distance from Door . 50 $49. Available for 3+ day shipping 3+ day shipping. Top door knob jam is easily removed for sliding door. Popular items in this category. Shop products from small business brands sold in Amazon’s store. 5 out of 5 stars 475 ratings Best Sellers in Sliding Door Hardware. 1 reviews. Guard Dog Security Door Jammer 2-in-1 Adjustable Door Knob Jammer & Sliding Patio Door Security Bar – 40 Different Adjustments (White, 1 Pack) 4. $49. 97 $ 18 . Guard Dog Security Door Jammer 2-in-1 Adjustable Door Knob Jammer & Sliding Patio Door Security Bar – 40 Different Adjustments (Black, 1 Pack) 4. $29. Heavy Duty Door Jammer Bar - Adjustable Window Doors Security Bars for Sliding Glass Door, Window, Front Door,. SecurityMan 2-in-1 Adjustable Door Knob Jammer and Sliding Patio Security Bar. 25”-39. If you’re looking to use one jammer to perform multiple functions, this 2-1 security bar by Guard Dog can be implemented. 19 to 52 Inch,In 1 Door Stoppers Barricade Security Bar Onto Door Knob,Sliding Glass Door Lock Bar for Patio Door,Sliding Door,Window,Removable Security Jammer Bar. 99. Amazon. $2599. This comes with a lifetime warranty. Arrives by Wed, Nov 15 Buy SECURITYMAN 2 in 1 Adjustable Door Security Bar & Sliding Glass Door Lock Bar - Constructed of High Grade Iron - Door Jammer Stick, Perfect for Home & Apartment Security - Door Stoppers Security Bar at Walmart. Find door jamb security & repair kits at. Add to Cart. Click to play video. A part of the door was ripped off and they were ordering supposedly a metal strip to put on it, but they never came back. 70. GUARD DOG SECURITY Door Jammer, Sliding Door Stopper with Alarm, 2-in-1 Adjustable Door Knob Jammer & Sliding Patio Door Security Bar – 40 Different Adjustments (White) Sponsored $49. If you have an inward-swinging door, consider installing a door jammer and a door brace. for pricing and availability. Find helpful customer reviews and review ratings for Door Security Bar, Rerishom Door Stoppers Security bar,Heavy Duty Door Lock Security Door Jammer Door Stopper for Apartment, Hotel Room,Screen Door Hardware, 1 Pack at Amazon. 4. com. 8. Foot Distance from Door Buy HavenLock Connect Bluetooth Smart Lock. PACKAGE CONTENT - 3 pieces of door latch covers per package. 99. $29. GUARD DOG SECURITY Door Jammer, Sliding Door Stopper with Alarm, 2-in-1 Adjustable Door Knob Jammer & Sliding Patio Door Security Bar – 40 Different Adjustments (White) 1 4 out of 5 Stars. 6 out of 5 stars 1,892. This two-pack of door security bars by Securityman offers you so much value. Mercer County, NJ showroom 2850 Brunswick Pike Lawrenceville NJ 08648 609-883-0900Kwikset Tylo 400T. 10 4. Patented Design Its patented steel design works on almost any in-swinging door, even without a lock or handle and installs simply by turning the screw. Door Knob Jammers are some such examples. This is considerably cheaper than the Buddybar. 99. Door jammer is constructed with 20-gauge steel for strength and security Measurements: Door bar adjusts from 27-1/2 in. 5 Best Security Bars & Door Jammers for Your Home Home Blog > Learn all about door security bars and door jammers in our simple guide. 39-43 in. 1 m. Innovative portable devices designed to protect your home and family from unwanted intruders. Report suspected stolen goods (to CA Attorney. While a high-quality door jammer can withstand substantial forces when used properly, much depends on the actual model and the strength of. Just jiggle the knob a little, and if the problem is a jammed lock mechanism, it will probably release. According to the Chula Vista Residential Burglary Reduction Project, the front door of a home is the preferred entry point for the majority of housebreakers. Foot Distance from DoorBuy HavenLock Connect Bluetooth Smart Lock. 35-39 in. Find helpful customer reviews and review ratings for DunnsZ 2-in-1 Adjustable Sliding Door Knob Brace Jammer - 2 Pack - Heavy Duty Durable Metal Security Lock Barrier Bar with Interchangeable End Caps Complete with Non-Slip Rubber Door Stopper at Amazon. Praised by locksmiths, security. Guard Dog Security Door Jammer 2-in-1 Adjustable Door Knob Jammer & Sliding Patio Door Security Bar - 40 Different adjustments (Black) do NOT contact me with unsolicited services or offers; post id: 7661808995. Door Security Bar Adjustable,19 to 52 Inch,2Pack 3 In 1 Door Stoppers Barricade Security Bar. Find helpful customer reviews and review ratings for Guard Dog Security Door Jammer 2-in-1 Adjustable Door Knob Jammer & Sliding Patio Door Security Bar – 40 Different Adjustments (White, 1 Pack) at Amazon. Guard Dog Security Door Jammer 2-in-1 Adjustable Door Knob Jammer & Sliding Patio Door Security Bar – 40 Different Adjustments (White) 4. With its rekeying tech and multiple finishes, Kwikset’s often used in homes and apartment buildings. Add. 99. The door jammer is designed to work on various types of flooring – carpet, tile, wood, laminate, or concrete. 7 out of 5 stars 1,899 3 offers from $29. Door security bar features innovative folding design for compact storage and portability, Adjusts from 25-1/2in to 43-1/2in for use on most hinged and sliding doors. 6 out of 5 stars 5,912Step 1. Report: Report seller. Report: Report seller. by Security Man. Model # SET-EZA-20000. 5inch Adjustable Locking Window Safety Bar with. The Buddybar Door Jammer Is Simply The Strongest Home Security Bar On The Market. 99 $ 29. Guard Dog Security 2-in-1 Adjustable Door Knob Jammer and Sliding Patio Door Security Bar, Black. Read more about the Door Jammer. 99. 3 reviews. 1 reviews. Remove pins to adjust length of door bar,osition padded foot distanced from door based on knob height: 27-31 in. It might seem kind of silly, but it’s true. current price $35. Small Business. SecurityMan Adjustable Door Knob Alarm Jammer & White Sliding Patio Door Security Bar with 120Db Loud Alert Siren, Iron Durable & Rugged, Sturdy On Most Floors & Windows (Against Scratches) Add. Guard Dog Security Door Jammer 2-in-1 Adjustable Door Knob Jammer & Sliding Patio Door Security Bar – 40 Different Adjustments (Black, 1 Pack) Visit the Guard Dog Security Store 4. GUARD DOG SECURITY Door Jammer, Sliding Door Stopper with Alarm, 2-in-1 Adjustable Door Knob Jammer & Sliding Patio Door Security Bar – 40 Different Adjustments (White) 1 4 out of 5 Stars.