This is Great Planes' 5/16-24 Aluminum Safety Spinner Nut.|
Lightweight aluminum construction.
Satisfies AMA's safety requirement for spinners.
Comes in a Parts-Pak clear plastic box with resealable lid.
One year quality guarantee.
(1) Aluminum Safety Spinner Nut
Shaft Size: 5/16-24
Also available in heavy brass (GPMQ4641).
Tighten nut with a screwdriver, ball driver or steel rod.