10,000 rpm, heavy duty die grinder with high power for single handed operation. All steel casing gives protection and durability in heavy applications such as shipbuilding and foundry. Type CA collet. Use up to 10mm (3/8??) shanks. Inlet diameter 1/4??. Front exhaust. For use with 50mm flap wheels, ATAbrite wheels and 50mm drum sanders for sanding and polishing.