Use for a wide range of grinding, cutting, or sanding applications. Free speed - 20,000 RPM. Air pressure - 90 PSI. Air consumption - 5 CFM. Air inlet - 1/4” NPT. Collet - 1/4” and 1/8”. Includes -1 pc air cut off tool, 2 pc cutting wheels, 10 pc mounting stones, 1 pc safety guard, 2 pc open ended wrenches, 1 pc cutting wheel shank, 1 pc allen wrench, 1 pc nipple, 2 pc collets, 1 pc mounted stone holder and blow mold storage case.