1.608 Pro skateboard bearings, set of 8 / box 2.Fast, Long Lasting, Easy to clean 3.Rubber Shield, Nylon Retainer,Speed cream Size608, 8*22*7mmAxle8mmRingsChrome SteelBallsSteel / ZrO2 Ceramic / Si3N4 CeramicCage/ RetainerNylonLubricationSpeed creamSeal/ShieldRubber, Both sides sealedColorCan be customizedClassABEC 3 ~ 7LogoCan be customizedPackingset of 8 pcs, tube / box, Can be customized