Wheel nut in chrome to suit Aunger kidney spoke wheels. They are universal in that we can sometimes machine them to suit other mags by making the shank longer or smaller in diameter.
HEX IS 20.45MM ACCROSS FLATS DIAMETER OF BOSS THAT GOES INSIDE THE WHEEL IS 17.20MM thread is 3/8 UNF.
Actual part may differ slightly in appearance to photo
