Safety Lock: This sliding window stop lock for home and office can keep the window partially open or closed to avoid the hidden danger of children and pets breaking through the window, it can also prevent burglars from breaking in. Durable Material: The sliding window lock is made of stainless steel, thickened material, strong and durable, equipped with soft plastic rubber pad, anti-scratch and wear-resistant, it can still maintain its function and appearance even if used repeatedly for a long time. Easy Installation: No need to punch holes, card-type installation, easy to replace, each window lock has a hexagonal sleeve with a wrench, which can be tightened and installed by rotating the hexagonal wrench. Multi-Purpose: The sliding window lock can be easily installed in most scenarios, such as French windows, sliding glass doors, sliding doors in hotels, apartments, hospitals, schools and offices, providing children with a safe environment.