Bachmann Prop. nut, 5/16"-24 w/ 5/16" Bu (PN516)

ProSpin spinners are made from high quality barstock for strength. They won't crack like cheap cast aluminum spinners do.
ProSpin spinners are also 30% lighter than cast aluminum.
All spinners include a shaft bushing, prop nut, and bolt.
All spinners are polished to a mirror shine finish as pictured above.