Standing type Useful to work on the top of the workbench. LED Display Box installed R.P.M is shown in LED display box for easy work. Various R.P.M control method R.P.M can be controlled by Hand or Foot using Hand/Foot switch. R.P.M control function for safety R.P.M can be selected 0~50,000 performance. Can be controled R.P.M by Foot within the selected range of R.P.M by dial. It optimizes for safety and operation efficiency. LED display is show the stood R.P.M. It is convenient to operate again in same R.P.M. *Available customized order 60,000R.P.M AUTO CRUSE function Keep the selected speed and direction, need not push the Foot. Useful to work a constant speed.