If you've got our Shapeoko HDZ upgrade and want to use a 2.2KW spindle, or any other 80MM spindle, this is for you. It's a custom made, precision machined, aluminum mount unlike any other. Important information: * Only works for 80mm diameter spindles. * Only works with the Shapeoko HDZ, it does not work with the Z-Plus. * Features 2 x M5 (25mm apart) mounting points for air blast.