2\" 51mm Aluminum RC Airplane Spinner

  Specifications：

 Bottom Outer Diameter of Spinner：  2"(50mm)

  Core for Shaft：  10mm

  Large End Diameter of Nut：  1/4"-28

  Small End Diameter  of Nut：  M4

  Height of Nut：  16mm

  Outer Diameter of Bush：  10mm

  Inner Diameter of Bush：  6.4mm

  Screw：  M4x20