Yale 10-0552-4550-00-2211 2100 Series (Patented) -Rotary Knob-30/45-CK-Polished Euro Profile Cylinder, Polished Brass

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. Double cylinder with knob: lock and unlock your door with a rotary knob from the inside and a key from the outside. It is perfect for patio doors or places where quick exit is required as only a turn of the knob is required to lock and unlock the door. 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. KEY SECURITY CARD: For the key copy of our patented cylinders, you must present your key card to authorized dealers., Manufacturer: Yale