4-inch Coarse Yellow Cotton Muslin Buffing Polishing Wheels with 1/4-inch Arbor Hole Heavy-duty buffing and polishing power for precious metals, stainless steel, chrome, aluminum 50 layers coarse yellow cotton muslin has superior cutting power removing scratches, imperfections Triple-stitched construction adds firmness and durability, leather reinforced arbor holes Diameter: 4-inches - buy one or more sizes in any quantity 1/4-inch arbor hole; 5/8-inch thickness