Features: 1) Dia x bore: (100~150) x (16~22) 2) Grain: Aluminum oxide, zirconium oxide, silicon carbide3) Bond: Resin over resin 4) Cloth: X weight 5) Grit size: P80~3206) Max speed: 65m/s5) Used fortrim or polish workpieces. Applied in ship auto mobile, machinery building, light industry, electrical, hosehold appliances, ornanent etc.