1、Regular Thread: The thread of metal rivet spikes screw back is clear and flat, with strong tightening and not easy to loosen. 2、Fine Workmanship: Spiked cone spike stud is artificially polished, with smoother lines and no burrs. 3、Brass Material: Spiked screw rivet is made of brass material and adopts electroplating process, which is strong and easy to use, with good toughness and high hardness. 4、Smoother Edge: Metal screw back is evenly stressed, finely polished, round and smoother without burrs. 5、Electroplating Process: Screw back studs spikes kit adopts electroplating coloring process, the surfaces are shiny, not easy to fade, hard and thick. Item Type: Spiked Cone Spike Stud Material: Brass 100 x Spiked Cone Spike Stud(Sets)