This is a A-OL80H 80 Hvy Offset Link (Drives) PN: OL80HMain Description As Following : A-OL80H 80 Hvy Offset Link (USA) P.N: OL80H A-OL80H 80 Hvy Offset Link (USA) P.N: OL80H Replaces: RCOSL80H EDCOR , SW80HOLUS JOHN DEERE , Crossed From: AHL80H , , 2221-47421 JOHN DAY , 800FHD , , 803-410805 , , 803410805 , 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