This hefty unit is a great addition to the larger shop! It allows more consistent results when feeding your stock through a shaper or table saw than can be achieved by freehand work. The large diameeter high durometer rubber wheels securley grip the stock, adding safety to the processing of long, unweildy pieces as well as shorter ones that are unsafe to handle. Speed range is as follows 6.5, 13, 18, 22, 36, 43, 55 and 108 FPM. Unit is 220 volt single phase.