2PCS Durable Zinc Alloy Sash Jammers Window Frame Blockers with Fixing Screws, Home Security for UPVC Doors and Windows

【Zinc Alloy Material】This window lock is made of durable zinc alloy, which is harder than plastic window locks and not easily damaged.

【2 Keys Included】The handle can also be locked with the included key, making it suitable for UPVC doors and windows.

【Easy to Install and Use】Easy to install on windows or doors; simply turn the locking arm to lock or unlock the window sash.

【White Powder Coated Finish】The surface is coated to prevent rust and provide an attractive finish.