Abrasive belt feature: 1) Material: alumina, silicon carbide,zirconia. 2) Can be used on all unfinished and painted surfaces. Abrasive belt features: 1) Material: alumina, silicon carbide 2) Grit size: P40-400 3) Specially designed for auto bodywork and furniture 4) Can be used on all unfinished and painted surfaces 5) OEM is available Jumbo Abrasive Belt