"This item is a double-sided shower knob suitable for glass door. A simple and stylish design that works perfect for shower doors. Available in two different sizes to choose from. Other finishes available in our shop. Finish: Brushed Brass Sizes Available MEDIUM * 1.18\" Diameter - * 3/4\" Projection on each side * Mounting Screw: M4 LARGE * 2\" Diameter * 1-11/32\" Projection on each side * Mounting Screw: M5 The glass door knobs are supplied with two knobs, threaded rod, and gasket for back to