CS Unitec's PTX ECO SMART professional electric metal polish machine is the perfect drum sander for linear, flat, square, contour and curved finishing. This burnishing system grinds from coarse to very fine finishes and burnishes to a high-gloss finish. With a 1750 watt motor and seven different speed control settings the PTX can be used on a wide range of metals. From steel, stainless steel, aluminum, brass, bronze, copper, iron, copper, to even wood and plastic. With a built in tachogenerator this high-quality linear finishing machine with maintain constant rpm at any setting preventing streaking and waves that occur with cheaper non-regulated machines. With the included hollow core shaft adapter abrasive drums easily slide off and on with ease and remain secured. (Spindle style shaft adapter also included.) Wide range of abrasives available for #4 brush, #6 satin, #8 mirror uniform and custom finishes. Drums, wheels, sleeves, belts and polishing compounds available. Fits drums up to 4-1/2" diameter and 6" width. Optional PTX pipe roller (ASIN B071NMFDF4) also available, allowing the PTX to be used for open and closed pipe constructions. Included components: (1) PTX ECO SMART, (1) 42004 Spindle to Hollow Core Shaft Adapter (1) Detachable Power Cord (1) 47312 80 Grit Interleaf Combi Wheel