... ,MILL , 5. 0A + CNC DB25 Breakout Board adapter Kit CNC 3 Axis Stepper motor Driver ROUTER,MILL , 5. 0A + CNC DB25 ... .5 A to 5A(1.5A,2.0A, 2.5A,3.0A,3.5A,4.0A,4.5A,5.0A) Resolution: 1 ... C-class Optical-coupler. High quality with Surface-mount Tech. 3 Axis two-phase Stepper motor Driver 5. 0A + DB25 Breakout Board ...