Yale 10-0503-3030-CK-2201 2100 Series (Patented) -Swivel Knob-30/40-CK-Satin Euro Profile Cylinder, Satin Nickel

• MAXIMUM PROTECTION CYLINDER: This 10 pin cylinder provides ultimate protection for your front door, with anti-drill, anti-pick and anti-shock protection as well as resistance to pulling out the plug. The cylinder has 4 specially designed combination pins for the snake groove keyway.
• ANTI-SNAP LINES The cylinder features anti-snap lines to prevent intruders from removing the cylinder and gaining access to your home.
• REVERSIBLE KEY WITH DIMPLE AND SNAKE GROOVE This cylinder uses a reversible key with dimple and snake safety groove designed to operate the 4 specially designed combination pins. With the dimple reversible key, the bite surface lies on the flat side of the blade and can be inserted into the cylinder from both sides.

MAXIMUM PROTECTION CYLINDER: This 10 pin cylinder provides ultimate protection for your front door, with anti-drill, anti-pick and anti-shock protection as well as resistance to pulling out the plug. The cylinder has 4 specially designed combination pins for the snake groove keyway.