General description You will receive a set of 4 pieces of adjustable sliding window locks made from durable aluminum alloy. These locks are designed to enhance the security of your sliding windows and doors, providing peace of mind for your home. Technical specifications Total length of hex key: 49mm Size of lock body: 30*24*24mm Hole diameter of lock cylinder: 10mm Installation No punching required for installation Easy to install with a yellow plastic handle for better grip Insert the hex wrench into the hole and adjust the lock to the desired position on the window track Quick installation process Usage These sliding window locks are suitable for various types of sliding windows and doors, effectively improving family safety. Please note that they are not applicable to the middle window track.