BRUSH SPEED 175 RPM working speed PAD DIAMETER 17 inches, complete with sanding block MOTOR 1.5 hp, UL listed TRANSMISSION Dual planetary drive, all steel gears POWER CORD 50 ft. UL listed 14/3 STW-A BASE HOUSING One piece vented, high density polyethylene HANDLE GRIPS Anti-fatigue, soft to the touch CORD STRAIN RELIEF Heavy-duty metal, lock nut and spring HANDLE TUBE All chrome 1.5 inch HANDLE HOUSING Inner case hardened steel, positive lock TRANSPORT WHEELS 5 inch non-marking, self lubricating WIRING All completely enclosed in housing