The DW756 6" Bench Grinder has a powerful 5/8 HP 3,450 rpm induction motor for high-speed material removal. Durability from rugged cast iron base to prolong life. Ideal for large grinding applications.; Powerful 5/8 HP induction motor for heavy-duty grinding operations; Industrial cast iron base and motor housing provide durability and prolong life; Motor runs at 3,450 rpm for high-speed material removal; Precision-machined aluminum tool rests allow the user to accurately position work; Rear exhaust ports in wheel guards for smoother operation; 12-1/2" distance between wheels for longer and larger grinding applications