This is a A-CA550O CA550-O Offset Link PN: CA550OMain Description As Following : A-CA550O CA550-O Offset Link P.N: CA550O A-CA550O CA550-O Offset Link P.N: CA550O Replaces: L50 MISCELLANEOUS , 241-18113 CASE/INTERNATIONAL HAR. , Crossed From: CA550HL , , 042-CA550OL , , 042CA550OL , , 70927035 , Found in Section & Models : Chains/ Sprockets/ Pulleys/ Hubs > Roller Chains and Attachment Links, (Miscellaneous) (UNDEFINED): SEVERAL, Miscellaneous > Miscellaneous, (Miscellaneous) COMBINE: SEVERAL (CA550 Feeder Chain Offset) Associated Items : New Also This is An Aftermarket Product And : High Quality Afternaket Shipped from Both US and Canada