Bosch 1974-8 7-Inch Large Angle Grinder Best in class power-to-weight ratio - lowest weight of any 4-Hp large angle grinder New vibration control Side and Main Handles - 50-Percent vibration Reduction New burst wheel resistant guard - completely tool free! Contains wheel in event of bursting 8,500 RPM - optimized for 7-Inch wheels - up to 20-Percent longer wheel life than 6,000 RPM, service minder light- indicates when preventative maintenance is required. New power coated stator and epoxy coated windings - ultimate protection against dust and debris. Also features tri-control switch - lock-on and lock-off prevents accidental starting.