Sliding Window Locks Window Stoppers Aluminum Alloy Adjustable Window Security Safety Locks Garage Door Frame Child Proof Security Lock with Keys for Bedroom Home and Office (4 Sets)

Size: volume approx. 3 x 2.4 x 2.4 cm/ 1.18 x 0.94 x 0.94 inch(LWH), apply to track heights more than 1.5 cm/ 0.6 inch,track thickness no greater than 1.6 cm/ 0.63 inch (not applicable to the middle track of the window, please check your window track before buying) Easy to install: there is no need to install extra tools, it equips a hex key in each window locks, holding on the track by key control Durable material: it is strong, solid and sturdy, exquisite workmanship, aluminum alloy frame and stainless steel screws that can be reused many times Wide usage: can be easily applied to most environments; By keeping the windows partially open and closed, the burglar-proof and thieves can prevent children from falling and protect the safety of their families while improving air circulation Quantity: 4 pieces sliding window locks with keys; Note: multiple locks can be apply to heavy doors or windows to increase safety Product Description Please note that: Window or door rai