Window door limiter: the lockable cable is a simple device that limits the opening of the window. Ideal for home and commercial security. Easy to use: These PVC window cable locks come with screws. You don't need to buy them separately. Easy to install on your door or window. With the keys: When the cable is in place and the window opening distance is limited, using the cable key you can easily be removed from one end and the window can be opened completely. Function: These window safety limiters are for child safety, pet safety and prevent deterrence from burglars and intruders. Perfect for: 4 pieces of window door limiter is a nice kit perfect for home, public and commercial applications. Length : 185mm. Suitable for most types of windows and small doors. Premium quality product. When the cable is in place, the distance window opening is limited, using the key, the cable can be removed from one end and the window can be opened completely. Suitable for most types of windows and small doors . Perfect for domestic, public and commercial applications. Features: 1. Universal resistance for window and door. 2. Made from UPVC, wood, aluminum and metal. 3. MRSA repellent coating. 4. Can be mounted on all materials. 5. Can be used in hospitals, hotels, homes and schools. 6. Suitable for all types of windows. 7. Discourages burglars and intruders. 8. Designed specifically for child safety. Features: Type: window door opener. Window style: double hung. Screws: included. Main color: white. Size: 180 mm. Material: zinc alloy, UPVC. Quantity: 4 pieces. Suitable for: UPVC, wood, aluminum and metal. Features: keyed, child safety lock. Package contents: 4 x door openings window door. 4 unlock keys.