Features Our lug eyelet tubular ring terminals are all made of pure copper. The battery terminal connector has a plastic cover, which is better than zinc alloy connection and corrosion resistant Scope of application: automobile, RV, yacht, truck, truck Function: protect the power supply and safely disconnect the battery Weight: 217.7G Material: plastic+brass+iron Attribute: red positive pole, black negative pole Products include: positive and negative pole pile head * 4 red copper terminal * 4