Features: Durability Sturdiness: Compact lightweight rotary polisher, has rubber feet, steel workbench, rugged construction. Speed Adjustment: 7 variable speeds range from 2000rpm to 6000rpm, convenient to adjust. Well Performance Motor: Powerful motor, quiet running, good heat dissipation, ensures long lifetime high rotating speed. More Accessories: It includes 20pcs 3-inch sanding discs, enough for daily replacement a long time use. Wide Application: The machine is suitable for sanding, grinding or finishing of metal, wood, acrylic and other materials.