General description This flexible door/window cable restrictor is the perfect solution for providing restricted opening of windows or doors. Specially designed to protect children from falling out of windows, it also enhances security by preventing burglars from using the window as an access point. This restrictor is suitable for most types of windows and small doors, making it ideal for home, public, and commercial applications. Technical specifications Color: brushed surface Chain material: High quality 201 stainless steel Material: stainless steel + zinc alloy Latch size: 47 x 22 x 20mm (1.8" x 0.8" x 0.8") Plate size: 47 x 12 x 10mm (1.8" x 0.5" x 0.4") Chain length: 6" (150mm) Chain thickness: 0.1" (2.8mm) Screw size: 15mm / 12mm (0.6" / 0.48") Weight: 130g Installation This restrictor is very easy to install and comes with four steel screws for mounting. It can be installed on the door or window to effectively prevent the intrusion of strangers. Usage The chain window lock is