800 Inline Skate/Roller Hockey/Skateboard 2 Metal Shields Lot of 800 skateboard bearings, these are Deep Groove Radial Ball Bearings,skateboard bearings are closed with Metal Shields,skateboard bearings are made of Chrome Steel,each skateboard bearing 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 are spacked 800 bearings.