1. 2 Fixing Holes: This window lock features an upgraded protective design with two fixing holes for each lock securing it to the window rail and greatly enhancing the lock's holding power on heavy doors with double hole locks for added security. The window locks also come with a protective pad to prevent scratching or damage to the window and improve stability. 2. Protect Your Family: This window lock keeps your family safe by controlling the partial opening or closing of your which effectively reduces the of children and pets falling from high . With a lock on your which will also protect your property from damage during heavy rain hurricanes and protect against burglars and thieves. 3. Wide Application: This window lock can be easily adapted to most environments this sliding window lock is suitable for homes bedrooms nurseries offices etc which also improves air circulation at the same time. 4. Easy to Install: This window lock can be installed quickly in just three steps without additional installation tools or drilling. You can fix the window lock to any part easily with a vertical key or hex key making it easy to reuse and reinstall.