
High Quality: Made of aluminum alloy and stainless steel, sturdy and durable. Dimensions: Single hole limiter - 3 x 2.4 x 2.4 cm. Double hole limiter - 6 x 2.4 x 2.4 cm. Easy Installation: No drilling installation, card installation, no drilling, easy replacement, no installation with other tools. Safety: To prevent children from falling, prevent them from accidentally opening the window. Wide Application: Sliding window locks can be easily installed in most environments, such as French windows, sliding glass doors, sliding windows of hotels, residential buildings, hospitals, schools, and offices, providing a safe environment for children.