Usage Tips:1 Pair Square Shower Knob Handles Temperature Control Handle Knob Chrome Thermostatic Handle Spindle Diameter 75cm Features: * This control handle is mainly made of ABS plastic, suitable for SMA thermostatic bath shower mixer we sell. * Handle in "mirror" chrome finish. * Temperature marks are white. * It comes with a "stop ring", grub screw and end cap. * To install a tub mixer or torpedo bar shower valve, you just pry off the end cap, loosen the grub screw inside the handle and push it onto the splines, then reattach with the grub screw. Specification: * material: plastic * Color: Silver * Dimensions:Spindle diameter 3.75cm, handwheels on both sides with 20 teeth * Quantity: 1 pair Package content: 1 pair of knob handles Note: 1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2. Please allow slight manual measurement deviation for the data.