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. M12 x 1.5 Threads. Dimensions; (see image) A - Spline diameter 12.8mm B - Spline depth 10mm C - Thread length 26mm D - M12 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.