The Bosch 1375A 4-1/2 In. Angle Grinder is an ergonomic, compact tool with 6.0 amps of power. The 1375A is a light, ergonomic grinder, at only 3.75 Lbs. The tool has a 6.0-amp motor that produces 11,000 no-load rpm. With a well-designed grip, lock-on slide switch and two-position side handle, this workhorse can get the job done. It features Service Minder brushes and epoxy-coated field windings.