* Cone or Plug Wheel Grinder, for cleaning metal, grinding and smoothing weld seams, removing imperfections before painting.* Straight Line, 1 hp, Rear Exhaust, 6" Extension, 20,000 RPM.* Accepts optional Abrasive Cone or Plug Wheel, 1-1/4" diameter. Governor-controlled motor maintains RPM under heavy load.* Safety-lock lever is included on all models. Standard cushioned grip enhances operator comfort and offers additional control.* Industrial applications in fabrication plants, welding shops, foundries, steel mills and shipyards.