6" Type 11 Vertical Cup Wheel Grinder - Side Exhaust. 5/8"-11 Spindle. Vertical grinder designed for tough, extra-duty grinding jobs. Outstanding for general clean-up of all size castings, removal of scale, rust or paint by wire brushing and grinding butt welds. Provides maximum power under the worst operating conditions. Lightweight alloy housing allows for easy control and handling. Features a butterfly throttle. Optional 9" wheel guard available. Wheel not included.