H&R Quick-Safe Bolt-Stud Conversions M14 X 1.5 X 70 (Set of 20)

H&R Quick-Safe Stud Conversion, Specification: M14 x 1.5 x 70mm. This part will simply convert the wheel hub to stud type, so instead of using wheel bolts you can use lug nuts instead. The benefit of this is ease of installation of wheels which saves you time especially on the track.