800 Skateboard/Inline Skate Black Bearings works with Roller Hockey & Rollerblades Too VXB - Yellow Seals - Nylon Cage 10 Large Retail boxes x 80 Bearings=800 Bearings Skate bearings Work in RollerBlades and Scooters, bearings are Deep Groove Radial Ball Bearings and bearings are blacked, bearings have nylon cage that would make them faster, bearings have 2 Removable yellow Seals, Bearings are made of Chrome Steel, each bearing has 2 Removable yellow Seals to protect the bearing from dust or any possible contamination, also bearings are pre-lubricated with oil.