2 Pcs Adjustable Door Window Lock Stopper Wedge Security Anti Theft Sliding Wings

Window lock stopper attachable area clamping distance: 25 40 mm, sliding door or window frames should have proper clearance Size: approx. 6 x 3.5 x 2.3 cm. The window spacing, the size: 3.2 cm, the smallest: 1.4 cm Double gl door lock can be used for large doors or windows to improve safety. It will be more robust, firm and stable, fully handmade, aluminium alloy and can be reused many times Easy to install no need to install other tools, each window lock rotating button can be fixed with one hand. Designed for horizontal/vertical windows and sliding gl doors, but not for plastic window frames Wide range of uses: can be easily applied to most environments. By partially opening and closing the windows, thieves and thieves can prevent children from falling, and protect the safety of family members while improving air circulation