Secured By Design Approved Product - The Official UK Police Security Initiative. Recommended By The Police & Insurance Companies. TS007 1* Kitemark - Tested To The Very Highest Standards By BSi - British Standards Institution Anti-Pick, Anti-Screw, Anti-Pull, Anti-Bump and Anti-Drill components designed to resist to known attack methods on door lock cylinders Anti-Snap - sacrificial section leaves cylinder intact stopping thieves entering the property Suitable for use with a wide range of doors including timber, composite, UPVC, aluminium or patio doors with a Euro profile, Manufacturer: Sterling