Powerful .6 hp high performance motor for fast, efficient grinding in tight quarters. Aluminum alloy housing is rugged yet lightweight for maximum operator comfort. Spiral bevel gearing in angle head provides extended life and smooth low vibration. Removable dead handle allows access to tight quarter work. Applications: weld preparation and smoothing; rust removal; deburring and blending of steel, cast iron, and aluminum Spindle size; 3/8"-24; 4" wheel size; free speed: 12,000 RPM; average air consumption: 6 cfm; air inlet thread: 1/4" NPTF; minimum hose size: 3/8"; sound dBA: 85; length: 9"; weight: 3.75 lbs.