Maintain your floors with this Mastercraft Quarrymaster 17" hard floor machine with weights! This unit is designed to maintain hard floor surfaces, and it can be used for scrubbing, stripping, and polishing applications. It has a high torque, triple planetary gear system and a powerful 1 1/2 hp motor with a rate of 140 RPM for efficient use. Plus, it has an ample 17" cleaning width to cover a wide area.