All ball-bearing motor for long life. Rugged aluminum alloy gear case for maximum durability. Paddle switch for convenient one-handed operation. Blades are easy to adjust and replace. Cuts radius as small as 1". Cutting capacity: Mild steel 14 ga, Stainless steel 16ga. Includes: Blade kit (upper and lower), screws, nuts, wrenches. 3 amp AC/DC, 384watts, 2,700 strokes/min.