4 1/2" X-LOCK Ergonomic Angle Grinder offers a wheel change interface that's up to five times faster than conventional interfaces. It features a narrow grip zone for extended comfort and control, combined with a powerful 10-amp motor. It 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 and direct-motor cooling, this grinder is built for a longer tool life. It features spiral bevel gears for smooth transmission of power. The lock-on/off slide switch provides improved user control during grinding and cutting applications. For added convenience, it has an auxiliary handle and an adjustable tool-free guard.