Yale Cylinder - A World Famous Know How Expert - Protect what matters most to you. The visible part of the cylinder is the central element of every door and protects you against burglary and theft. Euro profile cylinders are standardized, so you can easily increase your security. In order to choose the right level of security, you should consider several criteria:. - Anti Pick protection.- Impact protection.- Drilling protection.- Pulling protection.- Emergency and danger function. The Yale 1000 series of cylinders offers a high level of protection thanks to the following security criteria:. - 6 pin Euro profile cylinder.- Enhanced Anti Pick protection.- Hardened pins for drilling protection.- Emergency and danger function.- 5 reversible keys.- Security card for making duplicate keys.