The original 5-spoke street and drag racing wheel. Weld's Pro Star wheels are precision-crafted from cold-forged aluminum, are superior in strength, and are pounds lighter than other brands of aluminum wheels. The wheels are guaranteed tubeless, come with a brilliantly polished finish, and include an aluminum push-through center cap. uses; Lug Nut Shank Length: 1.300-1.380 inch. Lug Nut Shank Diameter: 0.679-0.687 inch. Washer Outside Diameter: 1.250 inch.