Four Bolt Flange Tire Washer Brush. 100% Nylon. 7" diameter x 96" long Brush Face. note: Brush only, does not include Spindle Shafts that bolt to the four hole pattern on brush. Reference the following for spindle part numbers:#2219 & #2220 - For Tire Washers manufactured prior to December 1993.#3150 & #3151 - For Tire Washers manufactured after December 1993. Used on: Current version Freestanding and Combo Modules Tire Washers