Window Door Limiters: The locking cable is a simple mechanism that restricts window opening. Perfect 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 Keys: When the cable is in place and the window opening distance is restricted, you can easily remove it from one end using the cable key, allowing the window to open fully. Function: These window security limiters are for child safety, pet safety, and prevent deterrence from burglars and intruders. Perfect For: 4 pcs window door limiters are a great kit perfect for home, public, and commercial applications. Length: 185 mm. Suitable for most types of windows and small doors. Description: Product of highest quality. When the cable is in place, the window opening distance is restricted, with the key you can remove the cable from one end and open the window fully. Suitable for most types of windows and small doors. Perfect for domestic, public, and commercial applications. Functions: 1. Universal resistance for windows and doors. 2. Made from UPVC, wood, aluminum, and metal. 3. MRSA-resistant coating. 4. Can be mounted on all materials. 5. Suitable for hospitals, hotels, homes, and schools. 6. Suitable for all types of windows. 7. Deters burglars and intruders. 8. Designed specifically for child safety. Functions: Type: Window Door Opener. Window Style: Double-hung. Screws: Included. Main Color: White. Size: 180 mm. Material: Zinc alloy, UPVC. Quantity: 4 pcs. Suitable for: UPVC, wood, aluminum, and metal. Functions: Locked, child safety lock.