Shop Fox Mini Mobile Base. The Shop Fox Base is made with heavyduty casters that are arranged on outriggers allowing the machine to sit as low as possible and yet be extremely stable. The Shop Fox Base can be assembled in any of eight configurations providing maximum flexibility of use. The unique two piece retractable feet on the Shop Fox Base use rare earth magnets to allow the knob to turn while the foot pad is tight to the floor. You will find the Shop Fox Mobile Base to be far superior to any mobile base on the market in strength adjustability and movability. Package Contents: Shop Fox Mobile Base Shop Fox D2260A Mini Mobile Base