Grizzly T23992 1" x 42" S C Sanding Belt 600 Grit, 10 pk. 5 speed Ratio: 1:6 Stage 2 Air 54 1378 Ratio: 1:6 Stage 2 Air Pressures: Variable by Control (Manual or Automatic) 100 psi Fluid Input: 300 psi (10 psi minimum above output pressure) Fluid Output: Variable by Ratio Air Pilot: #10 32 Thread (Low & High) Fluid In: 1 4 inch NPSM Thread Fluid Out: 1 8 inch NPSM Thread Volume of Paint Held w in Regulator: 5cc Height: 1 7 8 inch Height w Fittings: 2 1 8 inch Diameter: 2 3 4 inch Diameter w Fittings: 3 3 8 inch Works on standard 120V power This machine runs on 120V single phase power These silicone carbide 600 grit 1" x 42" sanding belts are sized right for all of your belt sanding needs and are sold in a 10 pk