The yale km series cylinder offers british kitemarked ts0072012 1 star security and has been tested to the british standard bs en13032005 featuring anti bump anti pick anti screw and anti drill protection this cylinder is secure by design approved and comes with a 10 year guarantee recommended for use on doors which require a high level of security against physical and manipulation attacks the cylinders exceeds the highest european security grade cen 5 bs en13032005 and are bsi kitemark approved