The stone workers need for quality tools has led to the evolution of the Hardin product line. The composition and characteristics of marble, granite, tile, and engineered stone differ dramatically from concrete. Achieve professional results when profiling and polishing stone counter tops and surfaces with the Hardin Variable Speed wet polisher. Ergonomically designed with a water delivery system that sits under the polisher. Simply hook the end of the 5-Feet 1/4-Inch water line to a standard 5/8-Inch garden hose as a water source. Lightweight enough at about 6.5 pounds with enough power to get the job done. This unit is equipped with a 950-Watt, 8.29-Amp, variable speed motor. Adjustable via a variable speed wheel switch located at the back of the polisher. You can operate from 2,000-4,000-RPM. When polishing, you get optimum results around 2,500-RPM.