... 2kgProduct List:one set of main engine,a control box,a power cord,a set of jig( ... CNC touch mode system and six-level speed control intellent operation system, it is easy to ... , depth, positive &negative automatic control and digtal readout.c) The control box can be put separately with compact ... , wide torque, realiable quality and excellent speed control.e) The Shaft transmission adopts Taiwan planet-gear ...