... musical instrument, glass, ceramics, wood, upholstery, etc.4).Delivery pattern: Disc, have ear or not, Diameter of 125mm, 180mm amd 76mm ... oxide, black silicon carbide, zinc-striate coated; Features: Velcro disc is made of flannel coasted on the abrasive paper or ... wood, automobiles, and furniture, especially for fine finishing. Abrasives: A/O, S/C, Fint and stearated coating surface.Size: 2”(50mm ...