Premium quality universal negative & positive battery cable terminal clamp connectors Characteristics: Kit includes - 1 pair of negative (black) & positive (red) battery cable terminal clamps connectors Material - Aluminium Condition - Brand new Fitment - Universal. Fits cars, trucks, boats & vans Battery cable terminals have excellent conductive performance & quick release. Terminals are corrosion-resistant & can reduce voltage distortion & transmission loss. Convenient wiring & firm connection guaranteed WARNING! Before installation, please make sure that the battery is in a de-energized state. If the original terminal has deteriorated, please replace it with a new terminal immediately Battery terminals should be replaced, when: * Vehicle's terminals are rusty to avoid car breakdown * Vehicle's battery lifespan is more than 3-5 years * After purchasing a second-hand car * After purchasing a cheap new car, since its original batteries are prone to corrosion