Ceramic Lightning Fishing Reel Bearing kits are intended an upgrade replacement to stock fishing reel bearings. These ABEC #5 bearings have ceramic balls with stainless steel races, retainers and shields. Ceramic will never corrode, has less rolling resistance and is lighter and than steel. As a result ceramic bearings last longer and cast longer. All Ceramic Lightning fishing reel bearings are supplied dry, without grease or oil. Lubrication can be added upon request. KIT (2) SMR103C-YZZ #5 NB2