This is a A-212-021 Sickle Section, Chrome, 11 GA, Top Serrated PN: 212-021Main Description As Following : A-212-021 chrome, 11 ga, top serrated P.N: 212-021 Fastener: 1/4" HoleReplaces: 823713C2 Crossed From: 05201 , , 823713C2 CASE-IH Found in Section & Models : Tractor Parts Associated Items : New Also This is An Aftermarket Product And : Dim A (1): 3.244" Dim B (2): 2 1/16" Dim C (3): .995" Fastener: 1/4" Hole Replaces: 823713C2