Like its peer, the 6391-21 circular saw features a 15 AMP, 5,800 RPM motor rated at 3.25 horsepower. In addition, the 6391-21 circular saw sports Helical steel gears and a 22 amp switch. The Milwaukee 6391-21 can also bevel to 50 degrees and offers a clear sight line from either side. The Milwaukee 6391-21 circular saw retails for $149.99 and comes with a circular saw blade, a hex blade wrench, and a case. Lastly, the Milwaukee 6391-21 features a 5 year limited warranty.