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 easytoinstall, nodrill latches that feature rubber pads to protect surfaces and a hex key for fine adjustment.Environmentally Safe: Windows and sliding doors are safe, installed on window tracks and can be adjusted with a knob (included). It can prevent windows from going over the aisle and opening, or allow ventilation only 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 material is thickened and the screws are thickened, with plastic soft rubber pads, scratchresistant and wearresistant, the surface is easy to open and the lock. is durable for sliding doors and windows.