The Bosch 1375A 4-1/2 In. angle grinder features a powerful 6.0-amp motor that produces 11,000 no-load RPM, making this compact grinder a powerhouse tool. It was designed for concrete contractors, vehicle fabricators and other professionals who need a compact grinder. With a well-designed grip, lock-on slide switch, and two-position side handle, this workhorse can get the job done. It is well suited for metal fabrication, concrete restoration, pipe fitting and more. It uses Service Minder brushes that stops the grinder when preventative maintenance is required and epoxy-coated field windings, for longer tool life. The lock-on slide switch, two-position side handle and 3.75 lb weight add to user comfort and control.