Product Review

Features:

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 took full advantage of many times.

Wide usage:
It 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.

Specifications:
Size: 3 x 2.4 x 2.4 cm/ 1.18 x 0.94 x 0.94 inch(LWH)
Material: aluminum alloy and stainless steel
Quantity: 4 pieces

Package includes:
4 x Sliding window locks with keys

Note:
Multiple locks can be apply to heavy doors to increase security.