Door Cylinder | TKD8AA Colour: Chrome 3 keys Anti-drill Anti-bump Anti-pick Fixings included Size: 40/45 mm Tessi Snap Safe Euro Door Cylinder 40/45 - Chrome | TKD8AA The Tessi Snap Safe Euro Profile Cylinder Door Lock - Chrome is specially designed to prevent a burglar from gaining access to your property by snapping, drilling, bumping, or picking the cylinder in the door. Each cylinder comes with 6 anti-drill pins, 4 anti-pick pins, and 2 anti-bump pins. The 'snap safe' feature means that if the burglar attempts to break the cylinder with, for example, a vice-grips, the cylinder will break along a designated fault line which will ensure that the door remains locked and the key-holder can still gain access with the key at a later stage. This cylinder comes supplied with 3 keys and is available in a range of sizes.