MPx6 Euro Cylinder and Turn. To lock the door on the inside, simply use the turn knob, there's no need for a key. These MP 6 pin cylinders provide a high degree of security, having met the standards identified by the Secured by Design, the UK policed flagship initiative. Features include; anti drill, anti plug, anti pick and anti bump. Fire door rated. Certified to British/European standards (BS EN 1303) and carries the Security Standard Kitemark. Comes with a 5 year mechanical guarantee. Suitable for all domestic, commercial and industrial use. Available in different sizes and finishes.