Ideal for heavy-duty applications in foundries and shipyards. Fast stock, rust and scale removal. Governor-controlled air motor maintains tool RPM under heavy load. Over-speed shut-off feature ensures maximum operator safety. Motor is gearless with less wearable parts, ensuring reduced maintenance and less down-time. Insulated tool handle minimizes cold air transmission to the hand. Handle position is adjustable for operator comfort. Includes safety-lock throttle lever. For peak performance, use of optional 95870 Air Hose-1/2" (13 mm) diameter is recommended. Model accepts optional Type 11 Cup Wheels, 6" (152 mm) diameter. Wheel NOT included with tool. Covers more area in less time! More information here! D12.05R