【Materials】The buffing wheel are made of 70 Ply premium white cotton,much thicker to last longer and provide larger surface area 【Product size】Cotton buffing wheel diameter: 8in (200mm), Arbor hole diameter: 5/8in (16mm), Thickness: 1in (25mm) 【Feature】These are thick concentrically sewn design holds plys together more stiffly so greater pressure can be applied 【Application】The buffing wheel great for polishing wood,metal,brass, aluminum bronze and stone etc, make your polishing work effortless, highly improve work efficiency