Easy Installation: These terminal connectors are color-coded to distinguish negative and positive posts, red for positive while black for negative. Just connect them to the battery terminals and fix the battery cables to them, the installation is very quick and easy.Complete Kit: The package includes two terminal clamps with matching M8 nuts and felt washers, and no additional parts are required for installation. The felt fiber gaskets provided can minimize vibration to the battery terminals and keep components from corroding.Wide Application: This universal terminal connector is suitable for multiple electrical systems such as batteries in cars, trucks, boats and vans and more. The original terminal connector needs to be replaced promptly when it aged, and this product will be the ideal choice.Good Conductivity: This terminal connector has good electrical conductivity, it can effectively transmit current, ensure the stability of the electrical connection and the smooth transmission of current. Good electrical conductivity can minimize the loss of electrical transmission.Reliable Material: Zinc alloy has good mechanical strength, and its robustness enables this terminal connector to withstand large mechanical stresses. Moreover, its good corrosion resistance allows it to adapt to the complex environment around the battery.