The Bosch GWX10-45DE 4-1/2 In. X-LOCK angle grinder features the X-LOCK mount, offering a wheel change interface that’s up to five times faster than conventional interfaces. Theres an audible snap when mounting an X-LOCK Wheel on an X-LOCK grinder. The wheel mounts properly without the need for a spanner wrench or flange nuts. The wheel is released from the grinder with the pull of a lever. The GWX10-45DE ergonomic grinder 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 4.6 Lbs. The no-lock-on paddle switch function provides rapid shutdown of the motor after the switch is released. 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. For added convenience, it has an auxiliary handle and an adjustable tool-free guard.