This is a A-26A1-C Battery Bolts & Nuts, Square Head, 5/16" (4 Pk) PN: 26A1-CMain Description As Following : A-26A1-C Battery Bolts & Nuts, Square Head, 5/16" (4 Pk) P.N: 26A1-C Dim A (1): 5/16" Square HeadDim B (2): Tin PlatedDim C (3): 4 Pack Crossed From: A-BB103 , , BCTCB , , BN101 , , 3014-5001 , , 5192-34792 JOHN DAY Found in Section & Models : Ignition & Electrical Parts > Battery Cables and Terminals, (Miscellaneous) (UNDEFINED): SEVERAL, Ignition & Electrical Parts > Ignition & Related Parts, Ford / New Holland (UNDEFINED): SEVERAL Associated Items : A-26A1-B Also A-FO-O-16-46COMB, A-FO-P-FERGIMP, A-FO-S-CONSUMPR And : Dim A (1): 5/16" Square Head Dim B (2): Tin Plated Dim C (3): 4 Pack Bolt Size: 1.25" Useable Length