Description: Premium Material: The car battery terminal clamps are made of ABS, brass, and metal, which ensures good conductivity and wear resistance, guaranteeing the durability and lifespan of the product.Red and Black Protective Cover Design: Each Battery Terminal Connector set includes red and blue protective covers to distinguish between positive and negative terminals, preventing incorrect connections. The covers also provide good insulation, enhancing safe during use.Easy to Install: With a reasonable design, these Battery Terminal Clamps are easy to install on the positive and negative terminals of your car battery. Simply connect the wires to the screws on the clamps for a complete installation.Universal Compatibility: These Battery Terminal Ends are suitable for various types of car batteries, vehicles, RVs, and boats.Enhances Vehicle Performance: Using these battery terminal clamps can effectively improve your vehicle's start up performance and the stability of its electrical system, ensuring smoother operation. Specification: Material: ABS, Brass, Metal Color: Multicolor Size Chart: 4.5cmx6.8cm/1.77inchx2.68inch Package Includes: 4 Battery Clamps4 Washers1 Hardware Note: Please allow slightly errors due to manual measurement and different monitors.