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, Weight: 0.6393405598 pounds, Manufacturer: Sterling