This Air Cut Off Tool features a 3 inch / 75mm cutting wheel. It has an air consumption of 5.5 cfm and a free speed of 18000 rpm. The air hose requirement is 3/8 inch and it has a 1/4 inch BSP air inlet. The housing is made of durable lightweight aluminium. It includes a safety trigger, chrome plated steel guard, and rear exhaust. Supplied by Neilsen.