Next Wave 20027 Shark CNC 4th Axis Motor Driver Board Upgrade for HD4 / HD5

This control board provides full 4th axis functionality when used with your SHARK CNC HD4/HD5 and the 4th Axis attachment. Once installed, it lets you create precisely turned spindles or columns with intricate carvings and designs that wrap around the circumference of your work. Some assembly is required. Installation instructions are included.