Feature: 1. Quick identification: one red (+) and one black (-) clip, it is easy to distinguish the positive and negative poles and prevent the danger of electric shock. 2. Positive and negative battery terminal clips fit most battery models and are ideal for replacing worn and corroded terminals. A soft felt column gasket protects the battery while charging. 3. Wide application: widely used in cars, vans, station wagons, RVs, trucks, boats, etc. Just make sure to connect the correct terminals for the correct polarity. Description: Name: Battery Terminal Clip Connector Quantity: 2 pieces (red+black) Material: aluminum alloy Application: For cars, trucks, ships, trailers, RVs, etc. Product size: as shown Bore diameter: about 17mm/0.7in Packing list: 1 x Red Battery Terminal Clip Connector 1 x Black Battery Terminal Clip Connector Note: 1. Due to manual measurement, please allow 1-3cm error. Make sure you don t mind before bidding. 2. Due to the difference of different monitors, the picture may not reflect the actual color of the product. Thanks.