For sanding decks. Use for screening floors, screen & recoating polyurethane floors, scrubbing & polishing waxed floors, sanding & refinishing wood decks, parquet floor and new & pre-finished floors, and tile maintenance. Specifications: 12" x 18"Orbital Polisher; 1 HP, cast Aluminum base with weight built into the chassis for low center of gravity, sealed baldor motor protected from dust, fan cooled, thermal overload on motor, heavy duty rubber towers in four corners support the base & plate protecting the motor shaft. Larger 5/8 orbital action, armature has a 50lb. pre-load to absorb shock and start easier.