Secured By Design Approved Product - The Official UK Police Security Initiative. Recommended By The Police & Insurance Companies. Higher Security Kitemark - Tested To The Our Very Highest Standards For Security 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 Many Uses Including Garage Door Handles, Retail Shutter Systems & Padlocks That Accept Euro Cylinders, Manufacturer: Sterling