The Yale AS Series Euro Profile cylinder has been developed to provide resistance against known cylinder attack methods. The AS series offers British Kitemarked TS007:2012 1 star security and has been tested to the British Standard BS EN1303:2005. AS Series cylinders have been developed with additional protective features to strengthen the cylinder, make it harder to grip and protect against cylinder snapping. Suitable as a replacement product on PVCu, wood and composite doors, this cylinder is Secured by Design approved and recommended for use on doors that require a high level of security against physical and manipulation attacks.