This Back-to-Back E-Z Grip Shower Door Knob is designed with a concave gripping surface that provides a comfortable feel when opening or closing the shower door. Each side of the knob measures 1-1/8 inches (28 millimeters) in length, and has a one inch (25 millimeter) diameter. This sleek design is popular with several shower door manufacturers.
Hole Diameter Required: 3/8″ or 1/2″ (10 or 12 mm)