Efficient Conductivity: High quality brass battery terminal, with excellent conductivity, reducing voltage distortion and transmission loss. With anti-corrosion pad can effectively protect the battery, prolong battery life. 4-way cable terminal: battery terminal connector with 4-wire terminals, designed for multiple connections cables, simple wiring and easy modification. Suitable for round SAE/JIS type A car battery terminals. Flexible size: positive (red) terminal inner diameter 17.5-19.1mm, negative terminal inner diameter (black) 15.9-17.5mm, suitable for most battery models, works great to replace worn and corroded terminals. Easy Installation and Removal: After installing the terminal of the battery, press the aluminum alloy lever to connect the battery pole. Equipped with Allen key for easy installation of screw terminals without additional tools. Wide application: Battery terminal with positive + and negative - signs, easy to identify. Suitable for cars, vans, motorhomes, caravans, trucks, marine batteries, etc. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.