Boao 15 Sets Sliding Window Locks Bulk with Key for up and Down Windows

15 pieces silver sliding window locks with keys; Note: this product is suitable for the type of window with track, please carefully confirm with the type of window and the window track specific size before buying

the window locks is approx. 2.4 x 2 x 1.4 cm/ 0.94 x 0.79 x 0.55 inch (lwh), key length is approx. 2.7 cm/ 1 inch, apply to track heights more than 5 mm/ 0.2 inch and track thickness no greater than 6 mm/ 0.23 inch, please check the window track size before ordering

the window locks can be applied to keep windows partially open or closed, enhancing air circulation, preventing burglars from entering or keep your kids safety; Fits for most vertical or horizontal sliding windows and doors； nice for apartments, homes, or offices to prevent accidental falls or escapes

each window sliding stopper is equipped with a key, no extra tools needed, you just need to use the key slowly through the hole and hold on the track by key control

these window security locks are made of aluminum alloy, sturdy and rust proof, which can serve you for a long time using and provide safety for you and your family at the same time