Chemically treated to be stiffer and more durable. Ideal for cutting and polishing platinum and other hard metals. Polishing buffs are meant for use with metals, jewelry, automobile parts, and many more applications. Leather stitched center and made for use with tapered spindles on polishing machines, bench grinders and more. Please choose from the following sizes: 4 x 50 Ply- 4" diameter with 50 sheets, approximately 1/2" thick 1 Buff per selection unless if you select multiple quantities. Discounts available for larger orders with a minimum of 1 dozen buffs per size. Please contact us for further information regarding larger orders. We carry White, Yellow, Blue, Purple buffs in sizes ranging from as small as 7/8" diameter to 6" diameter with different thicknesses from extra skinny to extra thick.