This cutoff saw is heavy duty and can tackle the biggest jobs with ease. Features are: 1" arbor. 1,800 Watts, 120V/60Hz, Maximum speed 3800 RPM/15 AMP. Cuts material up to 4 inches in diameter. Vise adjusts 0-45 degrees for angle cutting. This saw is best used to cut angle iron, conduit, pipe, tubing and rebar.