Features:1. The main components of battery terminal connector are made of galvanized iron. Accessory screws and nuts are not galvanized iron.2. Suitable for most vehicles, most cars, boats, van batteries.3. The battery terminals are made of galvanized iron material with good electrical conductivity and flexibility.4. Not easy to break, corrosion resistant, can reduce the voltage distortion and the current transmission loss.5. Good electrical conductivity, convenient wiring and firm connection.6. Suitable for 6V/12V positive or negative battery.