This is a A-CA620R CA620-R Roller Link PN: CA620RMain Description As Following : A-CA620R CA620-R Roller Link P.N: CA620R A-CA620R CA620-R Roller Link P.N: CA620R Found in Section & Models : Chains/ Sprockets/ Pulleys/ Hubs > Roller Chains and Attachment Links, (Miscellaneous) (UNDEFINED): SEVERAL Associated Items : New Also This is An Aftermarket Product And : High Quality Afternaket Shipped from Both US and Canada