Dotco 10-95 Series Precision Turbine Grinders feature high precision ball bearings for a long life expectancy and requires no air line lubrication. Dotco 10-95 Series Precision Turbine Grinders also feature a two-stage turbine motor with a roll throttle. Dotco 10-95 Series Precision Turbine Grinders achieve a superb finish due to its high speed and precision spindle. Dotco 10-95 Series Precision Turbine Grinders are lightweight and durable because of its aluminum housing. Dotco 10-95 Series Precision Turbine Grinders feature low vibration and quiet operation and minimizes operator fatigue.