Fireball Dragon Axle Nut: The high quality Fireball Dragon Axle Nuts have been designed to fit almost any brand of skateboard truck and manufactured to the highest standards in the industry. Coated with zinc, these steel nuts have been designed to last, and with correct installation offer strip resistance giving you one less thing to worry about when skating. Fireball Dragon Kingpin Nut: Again designed with universal fitment in mind, our kingpin nuts fit both reverse kingpin and traditional kingpin truck styles for skateboard and longboards. We have you covered no matter what you ride. Fireball Dragon Kingpin: The ultimate skateboard kingpin. Crafted from aircraft grade steel to ensure longevity and functionality first, this product has designed to give you that extra level of reassurance when skating. Our kingpin bolt has a shorter thread than standard kingpin bolts, which means less thread cutting into your bushings when carving and therefore, lengthening the life of your bushings. The strength on these bolts is on par with aircraft applications, making them overkill for skateboarding, but also the absolute best for skateboarding. Length: 2.59" / 6.58 cm Grade: Up to 40% greater fatigue strength when compared to a similar size and alloy commercial bolt —— About Fireball: Fireball has a simple goal: Design products that perform. We ride what we sell. Each of our offerings was tested under the most strenuous of circumstances. Every piece of our products have been carefully and purposefully thought through. Designed in CA Bearings that cut the marketing BS and offer pure tried and true tech.