50343-2″ (51 mm) Dia. Depressed Center Grinder.4 hp, 7 Degree Offset, 25,000 RPMDepressed Center Wheel Grinder, for fast weld and stock removal, rust and scale removal, heavy deburring..Depressed Center Wheel Grinder, for fast weld and stock removal, rust and scale removal, heavy deburring…Thermal-insulated handle reduces cold air transmission to operator.Depressed Center Wheel Grinder, for fast weld and stock removal, rust and scale removal, heavy deburring….