High grade OEM standard wheel studs for trailers caravan hubs etc... This listing is for a pack of 8 replacement wheel studs. Ideal for replacing damaged, rusty or broken wheel studs. 1/2" UNF Threads. Dimensions; (see image) A - Spline diameter 14.8mm B - Spline depth 10mm C - Thread length 29mm D - 1/2" UNF Thread Size Before fitting it is essential that you check the new part is identical to the original part. If in doubt consult a professional.