EuroTech EuroTech Satin Finish Wheels 4" 3 Ply Coarse Grit Synthetic fiber buffs may be used dry to produce a satin finish on gold, silver and other metals. Used to obtain matte finishes on metal and plastic. Abrasive granules are impregnated into the nylon fibers. Diameter 4” with 3 Ply Grit: Coarse