1. 608RS Pro skate bearings, set of 8 / tube 2.Rubber Shield, Nylon ... Fast, Long Lasting, Easy to clean KOSTON High Precision Skate Bearings - Plastic tube packaging-BE001 Size608, 8*22*7mmAxle8mmRingcarbon SteelBallsSteelCage/ ... RetainerNylonLubricationSpeed creamSeal/ShieldRubber, Both sides sealedstructureDeep Groove Ball BearingsClassABEC-5LogokostonPackingset of 8 pcs, tube