【Easy to install】: Simple installation within minutes，just twist the interference arm to lock or release the window sash, fully ensuring safety.
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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
UPVC Window Handle Cranked Offset Key Locking Espag Double Glazing PVC - Black. They're easy to fit and easy to operate too - just a twist of the blocker arm will lock or release the sash. This sash blocker is suited for both PVC-u and Timber/Composite doors and windows.
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Engine Wheel Motor Wheel Lock Screws For KUGOO M4 / M4 Pro Electric Scooter Shaft Lock Nut/ Lock Washer Replacement Parts
Aliexpress UK
The ERA Sash Stop Restrictor Window Lock is designed for the safety and ventilation of sliding sash windows. Made from steel, this window lock from the brand ERA comes in a pack of 2 keys. It is suitable for sash windows and available in chrome, satin chrome, polished brass, and satin nickel colours. This window lock features a sun-type sash window and provides added security while allowing for ventilation. The key-operated mechanism ensures that children cannot easily open the windows, making it an essential accessory for any home.
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Bathroom Metal Lock Body Universal Bedroom Lock Body Hardware Accessories Excluding Keys, Silent Single Tongue Lock Body
Aliexpress UK
Made of premium zinc alloy material, it is sturdy and durable, and can not rust, ensuring the hardness and durability of the material, and increasing the service life. Scope of Application: It is suitable for moving left and right sliding window.
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Single-Side Invisible Sizzle Lock Single-Side Lock For Interior Bedroom Background Door Secret Lock Hidden Black Door Handle
Aliexpress UK
Simple to operate and easy to fit, and is non handed for use on all applications. Suitable for inward & outward opening doors.
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304 Stainless Steel Hidden Door Handle Lock Keyless Recessed Door Lock Single Cylinder Deadbolt Invisible Lock for Furniture
Aliexpress UK
Key & Lock for Fab & Fix Sash Jammer Extra Security UPVC Window Door Locking.
eBay
Invisible bedroom magnetic silent plane lock indoor simple household minimalist lock bathroom hidden lock core
Aliexpress UK
For Material Construction: Made from zinc alloy with a multi-layer electroplating process, these locks exhibit high hardness and excellent wear resistance, Insuring long-lasting performance while being resistant to rust and compared to plastic alternatives.
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NAIERDI 60*30mm Vintage Chinese Keyed Padlock Antique Old Style Retro Lock Zinc Alloy Jewelry Box Fish Pattern Lock Home Decor
Aliexpress UK
Key Locking Sash Blocker Window - UPVC Door Window Restrictor Safety. They're easy to fit and easy to operate too - just a twist of the blocker arm will lock or release the sash. The arm can also be locked into place using the key provided.
eBay
10/20Pcs Dual-Holes Spring Cord Locks Set Toggle for Drawstrings Cord Lock Oval Toggle Locks Spring Clamp Elastic Cord Adjusters
Aliexpress UK