ITEM NAME:Milling Machine/Spindle Mounting Diameter 65mm for Workbee OX CNC Milling M Z4O9 Milling Machine/Spindle Mounting Diameter 65mm for Workbee OX CNC Milling M Z4O9 ID: 65mm Color: Black Material: Aluminum Package Contents: 2x Low Profile Screw (M5 X 20mm) 1x Back Plate 1x Face Plate