Wide Application: The sliding window lock can be easily applied to most environments, such as patio doors, sliding glass doors, sliding windows in hotels, residences, hospitals, schools and offices, providing a safe environment for children. Easy to Use: Lock sliding doors and windows with these easy-to-install, no-drill latches that feature rubber pads to protect surfaces and a hex key for precise adjustment. Safe Environment: The sliding windows and doors are safe, installed on window tracks and can be adjusted with a knob (included). It can prevent windows from passing over the aisle and opening, or only allow ventilation to the extent necessary, etc. Provide a safe environment for your child. Adjustable: These stainless steel sliding window locks are perfect for restricting indoor ventilation, protecting your family from thieves and curious children, and improving air circulation in your home. Durable material: Made of stainless steel, the main material is sturdy and durable, the