This 4-1/2 In. ergonomic angle grinder features a narrow grip zone for all-day comfort and control, combined with a powerful 10-amp motor. The Bosch GWS10-450 angle grinder delivers results, producing up to 11,000 no-load rpm for maximum productivity in grinding and cutting applications. The tool weighs 4.5 Lbs. Equipped with epoxy-coated field windings, double-sealed bearings and direct-motor cooling, this grinder is built for a longer tool life. It features spiral bevel gears for smooth transmission of power. For added convenience, it has an anti-vibration side handle, a lock-on slide switch and an adjustable tool-free guard with multiple fixed-adjustment settings to allow the user to position the guard in a variety of working angles. It has an updated gearhead mounting collar, which is now compatible with all Bosch concrete guards.