Egg Knob Handle, Satin Nickel Finish, Solid Forged Brass Construction * Single Cylinder supplied with 5-pin keying. Cylinder is protected with a free-turning cylinder guard to resist gripping or twisting * DISTANCE BETWEEN CENTER OF LATCH AND DEADBOLT (CTC): Lockset accommodates any center-to-center dimension greater than 4-3/8in (111mm) * DOOR THICKNESS Lock sets accommodate a door thickness of 1-3/4in (44mm) * FULLY REVERSIBLE Accommodates most door conditions and facilitates installation.