This is a A-5724005B Terminal Protectors, Black (5 Pk) PN: 5724005BMain Description As Following : A-5724005B Terminal Protectors, Black (5 Pk) P.N: 5724005B For 1 /0 Ga. to 2/0 Ga. Replaces: A-26A5724B MISCELLANEOUS , Crossed From: 5192-29692 JOHN DAY , 5724-005B , 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.