This remodel plate allows an installer to replace a 2 or 3 handle tub and shower valve with a single handle pressure balancing valve, without rebuilding the wet wall. Remodel plates are also often useful for covering incidental damage around an existing shower valve. 1 Hole Remodel Plate. Fits Mixet Single Handle Valves. Includes Two Screws and Mounting Bars. 13 in. Overall Width. 7-1/2 in. at Tallest Point. 9-1/2 in. Screw to Screw. 3-3/4 in. Diameter Hole.