Brinks Security Door Bar features a heavy-duty steel bar, non-marring top yoke, and a pivoting padded foot. The security bar is easy to install and remove, simply prop the bar under the doorknob or between the sliding or hinged doors for extra security.
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Nurlin Solid Brass Ball Foot Antique Brass Cabinet Knobs Long Door Pull T-bars Kitchen Cloakroom Wardrobe Handle Bar
Aliexpress UK
It's designed to provide peace of mind by preventing unauthorized entry through sliding doors and large glass windows. The simple operation involves pressing and holding the spring button to expand or contract the bar to the desired length, ensuring a snug and secure fit.
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Black Gold Knurled Kitchen Cupboard Cabinet Storage Handles Closet T Bar Wardrobe Door Pulls Door Knobs Home Furniture Handles
Aliexpress UK
French doors : Features an adjustable sliding lock bar to fit door handles at different spacings. Compatible with standard French double-door with round door knobs, straight lever door handles. French door locks for double doors : The 1-1/2" opening accommodates the neck of most double-door knobs/levers for secure locking.
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World axis hinge; half-height door; bidirectional free entry and exit door hinge; up and down rotating shaft; double-opening bar
Aliexpress UK
The Door Security Bar by Guard Dog Security is a modern, polished pink metal bar designed to secure patio and security doors. With a solid core and 20-gauge length, this portable floor lock is easy to install and provides added security for your home. Made in the United States, this door lock installation kit is a reliable and stylish addition to your home improvement needs.
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Mailbox Cabinet Door Metal Single Point Security Cam Lock MS102 MS403
Aliexpress UK
Perfectly suited for French door, sliding closet panel, larder cabinets, and storms door applications where cautious yet strong locking is essential.
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Mailbox Cabinet Door Metal Single Point Security Cam Lock MS102 MS403
Aliexpress UK
National Hickman steel cranking tool / Bar.
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Stainless steel Spring Loaded Metal Security Barrel Bolt Latch Silver Tone Spring Latches Door Cabinet Hinges Home Hardware
Aliexpress UK
Adjustable from 18" to 51", this universal security bar fits most sliding doors, patio doors, and windows effortlessly. Includes 2 steel rods, 1 rubber end, and 1 locking pin. Backed by a 12-month warranty for worry-free security.
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1/2PCS Spring Loaded Latch Pin 304 Stainless Steel Silver Window Cabinet Hinges Security Door Bolt Latch For Household Hardware
Aliexpress UK
Its flexible design ensures you can secure a variety of entry points with ease, giving you peace of mind wherever you need it. Using this security bar is simple and adaptable. Whether for front doors, French doors, or internal doors, this security bar is easy to prop under the door handle and quick to remove or reposition as needed.
eBay
Mailbox Cabinet Door Metal Single Point Security Cam Lock MS102 MS403
Aliexpress UK