Koblenz square scrub gives you more environmentally friendly operation. Removes floor finishes without the need of costly chemical strippers and other toxic chemicals, which can save you thousands every year. Boost you productivity up to 5,000 sq/ft hour. The rectangular design allows you to reach corners that are missed by rounds pads. The Koblenz square scrub comes with a powerful 1.5 HP heavy duty sealed induction-motor at 3500 RPM orbital speed for better and fast results. Works on both wet or dry surfaces This Koblenz is ideal for scrubbing, screening. and sanding. Features Cast iron heavy weight chassis for better stripping performance. Cast aluminum rectangular 20″ x 14′ pad driver plate Heavy duty chromed handle: 13 gauge steel: 114″ diameter 5″ non-marking wheels for easy transportation. Safety switch prevents accidental start-up. Non marking full wrap bumper. Low noise operation. Easy to use and maintain. Optional 6 amp pigtailed outlet kit may be used to connect a vacuum. Two year warranty on he motor, and one year limited warranty on parts and workmanship (excludes wear items) Warranty one year on pads and labor two years motor.