Specifications:
Bottom Outer Diameter of Spinner: 3.75 inch/95mm
Core for Shaft: 12mm
Large End Diameter of Nut: 3/8 inch-24
Small End Diameter of Nut: M5
Height of Nut: 18mm
Outer Diameter of Bush: 12mm
Inner Diameter of Bush: 9.6mm
Screw: M5x55