WHEEL STUDS Professional tool for commercial or occasional use M12 x 1.5 wheel studs Manufactured from steel and gold and zinc plated for strength and durability Total length of the stud 43mm (from outside to outside) This is suitable for unbraked hubs 4 stud 100mm pcd Total length of the thread 28mm Total diameter of the spline 13mm (this is the bit that fits into the hub itself) Total depth of the spline 10mm (this is the bit that fits into the hub itself) This is the most common size for all unbraked hubs as well as also mini equivalent as well This listing is for a pack of 8 wheel studs