Adiustable security bar. Adjust the brace quickly and easily to your desired length. To ensure that the door brace doesn't ruin your flooring or the paintwork on your door or floor, it has a non-marking yoke at its head, which is designed to sit under the doorknob of a standard door and can be removed when you need to secure a sliding door, as well as a padded foot.
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Black Door Handle Door Handle Lock Square Channel Privacy Mask Interior Bedroom Room Bathroom Three-Bar Spherical Lock Home Lock
Aliexpress UK
The sliding door keyed lock can help the door close safely, you do not worry about the door being blown away by the wind and other situations and have a relaxing sleep from night to the morning. 1 x Patio door pin lock.
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Antique Door Lock Drawer Jewelry Box Cabinet Wardrobe Cupboard Door Lock Set Cabinet Wardrobe Cupboard Door Lock + Key Furniture
Aliexpress UK
Universal Fit for Standard and Sliding Doors: This door security bar is designed for both hinged entryways and sliding patio doors, ensuring versatile safety. The head detaches for use with sliding doors, enhancing versatility.
eBay
Stainless Steel Garden Door Lock Tubular Frame Mortise Lock 85 mm Backset 30 mm Mortice Lock Door Lock Insert for Left/Right
Aliexpress UK
Most thieves know they can easily break into you house via the weakest link that is usually the patio doors. Not only do our patio door locks add extra security to the door but also they are visible from the outside.
eBay
304 stainless steel open bolt door buckle door bolt wooden door anti-theft door lock buckle door bolt old-fashioned door pin
Aliexpress UK
And stays out of the way, perfect for any sliding door or sliding glass patio door. Convenient Door Storage Design: When not in use, the sliding door security bar swings upwards. Adjustable and Easy to Install: Made of aluminium, this door security bar easily slides from 25.75" to 47.5".
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Silver stainless steel lock, door drawer cabinet door padlock lock plate, free mail
Aliexpress UK
Adiustable security bar. Adjust the brace quickly and easily to your desired length. To ensure that the door brace doesn't ruin your flooring or the paintwork on your door or floor, it has a non-marking yoke at its head, which is designed to sit under the doorknob of a standard door and can be removed when you need to secure a sliding door, as well as a padded foot.
eBay
Single-Side Invisible Sizzle Lock Single-Side Lock For Interior Bedroom Background Door Secret Lock Hidden Black Door Handle
Aliexpress UK
The Securian PX-3 has been designed to be operated by anyone and can be fitted and removed in seconds. The Securian PX-3 is a high-specification double door security latch that will prevent criminals, thieves and other intruders from accessing your property.
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304 Stainless Steel Hidden Door Handle Lock Keyless Recessed Door Lock Single Cylinder Deadbolt Invisible Lock for Furniture
Aliexpress UK
Dual-function: Prevents forced entry on a hinged, patio, and sliding doors. Fit most standard doors and sliding patio doors. Designed with 20-gauge steel to improve security on hinged and sliding doors the Guard Dog Door Keeper prevents forceful entry of even the largest intruders.
eBay
American Simple Black Bathroom Lock Bathroom Home Interior Bathroom Door Handle Wooden Door Lock Knurled Privacy Lock
Aliexpress UK