This is a A-5724005R Terminal Protectors, Red (5 Pk) PN: 5724005RMain Description As Following : A-5724005R Terminal Protectors, Red (5 Pk) P.N: 5724005R For 1/0 Ga. to 2/0 Ga. Replaces: A-26A5724R MISCELLANEOUS , Crossed From: 5192-29892 JOHN DAY , 5724-005R , Found in Section & Models : Ignition & Electrical Parts > Battery Cables and Terminals, (Miscellaneous) (UNDEFINED): SEVERAL Associated Items : New Also This is An Aftermarket Product And : For 1/0 Ga. to 2/0 Ga.