Dimensions: H 311 x W 222 x D 222mmMotor horsepower of 3/4HP.High-torgue Dura-Drive™ 1425 RPM induction motorCompact designEvolution quiet technologyEvolution 2-stage grind technologyBuilt-in air switch in matte black chrome and brushed steelAuto-reverse grinding actionQuick Lock® mounting assembly for faster easier installation