Specifications:
Bottom Outer Diameter of Spinner: 4in /101mm
² Core for Shaft: D10mm
² Height of Spinner: 110mm
² Inner Diameter of Bush: 8mm
² Outer Diameter of Bush: 10mm
² Screw: M4*60
² Large End of Nut: 3/8in-24
² Small End of Nut: M4
² Height of Nut: 18mm
² Hex Key: D3mm