Our solid brass FHC Back-To-Back Classic Knobs are available in over 20 popular finishes. Overall diameter of knob is 1-9/16" (40 mm), overall height is 1" (25 mm) from glass. End cap for Single-Sided Knob stands 1/4" (6 mm) from the door surface.
Traditional Back to Back Shower Door Knob - Back to Back Knobs - Many Popular Finished Available
Designed for 1/4"-1/2" Tempered Glass | (1) 1/2" Diameter Hole in Glass | Uses M6 x 1.0 Threading