* Window Restrictor Locks*------: This 2pcs Windows Restrictors for UPVC Limit the Distance that a Window Open. They can be Removed from one end and the Window can be Opened Fully With Keys. Perfect for the Children Safety and Anti-Theft. *100% Brand New High Quality*-----: The Window Restrictor Lock is Made of High Quality High Quality Aluminum Material,Able to Withstand Greater Pressure, Provide Extra Security, Health and Safety at Home and Baby/ Child Safety *Smart Desigened*----: The Window Locks With Special Limitation Design 19cm Safety Cable Provides a 11 to 16cm Restriction and Make Fresh Air in, and Window Can be Opened Fully after the Cable being Removed for one end by Using the Key *Easy to Install Widely Applications*------ This Window Restrictors for Upvc Items Come with Screws and Keys and Just a Screwdriver or Drill to Install.And This Window Restrictor Suitable for Most Types of Windows and Small Doors, Suitable for Many Kind of Materials Such As UPVC, Wood, Aluminum and Metal. *Package Included*-----:Our Popular 2 Pcs Window Restrictor Locks items Comes With 2 x Window Restrictors,4 x Release Keys and 8 x Screws,If you Have any Questions Welcome to Contact Us.