The East Penn 18" Red Positive Battery Cable is made of 100% copper conductor with cast lead universal terminals. Full-gauge stranded copper core is flexible for easy installation and allows maximum current for quick starting. Copper core extends to the end of the plated lug to give a one-piece solid connection. Wire meets SAE standards. PVC insulated with 105°C jacketing. Dual Auxiliary leads are for use in Chrysler Corp. vehicles, 1976 and later models, requiring multi-lead cable for positive terminal connection. Copper core extends to the end of the plated lug for solid one-piece connection Meets SAE standards PVC insulated with 105°C jacketing | East Penn 4-Gauge Battery Cable with Eyelet, Switch to Starter, 18" Red Positive