This is a A-4810005F-B Battery Terminal, Copper Crimp, 1/0 Ga. (5 Pk) PN: 4810005F-BMain Description As Following : A-4810005F-B Battery Terminal, Copper Crimp, 1/0 Ga. (5 Pk) P.N: 4810005F-B Heavy Lug w/ 3/8" Hole Replaces: A-26A4810F MISCELLANEOUS , Crossed From: 4810-005F , , 753-4810005F , Found in Section & Models : Ignition & Electrical Parts > Battery Cables and Terminals, (Miscellaneous) (UNDEFINED): SEVERAL Associated Items : New Also This is An Aftermarket Product And : Heavy Lug w/ 3/8" Hole