C.R. LAURENCE SDK200PN CRL Polished Nickel Traditional Style Single-Sided Door Knob. These CRL Solid Brass Knobs are available in many popular finishes. Overall diameter of knob is 1-9/16" (39.7 mm); overall height is 1" (25.4 mm) from glass. End Cap for Single-Sided Knob stands 1/4" (6 mm) from the door surface. Requires a 1/2" (12 mm) hole in glass for installation..