MACH3 WHB04 Wired Handwheel CNC Mach3 4 Axis USB HandWheel Pulse 50PPR Optical Encoder Generator MPG Pendant* It can work for Mach 3 use* It max support 4 axis. the 4th axis- A axis, no A=0 function ( A axis functions are not as much as the other 3 axis)* All the buttons can be programmable* About the hand wheel, you move slow, the machine runs slow; also you move fast, the machine runs fast.* display machine status,run,pause,idle,step value
