General description This 6pcs Adjustable Sliding Window Lock is designed to enhance security in your home or office. It features a double lock mechanism that allows you to control the width of the window, preventing children from climbing out and ensuring family safety. Technical specifications Size: 6 x 2.4 x 2.4 cm Material: Durable aluminum alloy with a yellow plastic cover on the key handle Compatible rail height: Greater than 12mm Compatible rail thickness: Less than 16mm Compatibility and accessories Suitable for horizontal sliding windows, vertical sliding windows, and sliding doors (e.g., French windows, sliding glass doors) Not suitable for plastic window frames Installation Easy installation without perforation Rust-resistant design