Case Size: 158mm (H) x 12mm (T)
Backset: 22mm One of the most effective ways of securing PVC, timber or aluminium casement windows and are Police preferred specification. The centre claws lock securely into a very substantial centre keep whilst two shootbolts lock into the corners of the window for incredible resistance from attack. Complies with BS7590, Secure by Design and BBA approvals for extra peace of mind. 10 year mechanical guarantee.