Air Belt Sander This Air Belt Sander is ideal for deburring and polishing in industrial settings. This belt sander works well on all materials, including metals, plywood, plastics and stone. The unit includes a rear exhaust, comfort grip, safety lever and silencer, keeping the noise level to approximately 84 dB(A). Features include... Rotates 360° for efficient use. 120 grit belts 1/4" NPT air inlet 4.2 CFM 1/4" Belt Width 13" Belt Length 20,000 RPM