Size: 67*36*32 mm; Weight: 123 g. The adjustable clamping distance is between 8 and 55 mm (0.31 - 2.17 inches), which is suitable for most window frames. We recommend that you measure your window frame before ordering. .The sliding window wedge restrictor lock is made of aluminum alloy, durable and thickened. Scratch and wear protection made of silicone rubber. Easy installation and no punching for the door restrictor. .Open or close the windows as needed in the correct position. Adjust the distance of the window lock and place it on the window frame, insert the key, and turn the key to adjust the width to fix the lock for several tests until the key slot can no longer move, which means the window door restrictors are effective. .Sliding window locks can be installed in most locations, such as patio doors, sliding glass doors, sliding windows, and doors of hotels, residential buildings, hospitals, schools, and offices to ensure child safety. Designed for horizontal and vertical sliding windows and sliding doors such as patio doors, sliding glass doors, sliding windows, etc.