Designed for uPVC windows and doors - Prevents the levering of the sash or door leaf Additional security for added peace of mind - Offers resistance to deter forced entry Strong and stable - Often specified by insurance companies Easy to use - secured with a twist to lock/unlock All parts included - Supplied with fixing screws, 1mm & 2mm Packers and buttons, Weight: 0.40565056208 Pounds, Manufacturer: Truly PVC Limited