Yale 10 0552 3540 00 2211 1000 Plus Series Rotary Knob 30/40 CK Satin Euro Profile Cylinder, Nickel

HIGH PROTECTION CYLINDER: This patented 6-pin cylinder with brass housing provides a high level of security for your front door with burglary protection. Double cylinder with emergency function: lock and unlock your door from one side, even if there is a key on the other. REVERSIBLE KEY WITH DIMPLE This cylinder uses a reversible key with dimples, which means the gripping surface is on the flat side of the blade. MEASURE YOUR CYLINDER: To ensure you buy the correct cylinder (A/B) for your lock, remove your old cylinder and measure the outer (A) and inner (B) parts of the cylinder from the front to the centre of the cylinder cam., Weight: 0.80909650154 Pounds, Manufacturer: Yale