High grade OEM standard wheel studs for trailers caravan hubs etc... This listing is for a pack of 10 replacement wheel studs. Ideal for replacing damaged, rusty or broken wheel studs. M16 x 1.5 Threads. Dimensions; (see image) A - Spline diameter 16.6mm B - Spline depth 8.5mm C - Thread length 43mm D - M16 x 1.5 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.