Wide Range of Uses: Sliding window locks can be easily applied to most environments, such as patio doors, sliding glass doors, sliding windows in hotels, residences,hospitals, schools and offices, providing children with a safe environment.Durable material: Made of stainless steel, the main material is sturdy and durable, the material is thick, the screws are thick, it is equipped with a soft plastic pad, scratch-resistant, wear-resistant, the surface is easyto open, and the lock is durable. Sliding doors and windowsSecurity performance: place the window or door rail, open and close the window part as needed, prevent thieves and children from climbing on the window, limit indoor ventilation, improve the circulation of the air,protect the security and anti-theft home and children.Easy installation: no need to punch installation, board installation, no need to punch, easy to replace, no need for other tools. Each window lock has a keyed hex key which can be tightened by turning thehex key to the rightPrecise Design: Silicone rubber pad, scratch and aging resistance, high temperature protection window. Compatible with most aluminum and plastic windows, vertical sliding doorsor horizontal