800-Pack Skateboard/in-line/Skate Bearings Black Shielded800 Inline Skate Roller Hockey Skateboard Black Color 2 Metal Shields 800 skateboard bearings has 800 Deep Groove Radial Ball Bearings,skateboard bearings are closed with Metal Shields,skateboard bearings are made from high strength Carbon Steel,each skateboard bearings has 2 Metal Shields to protect the rolling elements from dust or any possible contamination,also our skateboard bearings are pre lubricated with oil, our skateboard Bearings set is