This is an adapter ring that takes the OpenBuilds Router/Spindle Mount 71mm openening and reduces it to 65mm.
This is useful if you don't plan on using an air router and would like to use a water cooled spindle, particularly the 800W water cooled spindle.
OpenBuilds Router/Spindle Mount
800w Watercooled Spindle
High-Torque Stepper Motor, Stepper Motor, Driver, Stepper Motor kit, DC Servo Motor, DC Servo Motor kit, Stepper Motor Power Supply, CNC Router, Spindle, and other Components. Stepper Motor | Stepper Motor Driver | CNC Router | Laser Machine | 3D Printers For Sale
*(If you are going to run a watercooled spindle, it DOES require a VFD)