【Pure Copper Material】:The car terminal connector is made of pure copper material, which provides better electrical conductivity and durability than other materials. 【Positive and Negative Terminal Clamps】:The terminal connector comes with both positive and negative terminal clamps, making it easy to install on your car battery. 【Easy to Install】 :The positive and negative terminal clamps is easy to install, simply push the cable into the clamp and tighten the screw to secure it. 【Universal Fit】:The cable end connector is designed to fit most car batteries, ensuring compatibility with your vehicle. 【Durable Design】:The clamp connector is built to last and withstand extreme temperatures and harsh environments. Specification: Material: Copper Product Performance: Good Electrical Conductivity, Corrosion Resistance, Can Reduce Voltage Distortion and Transmission Loss Scope of Application: Cars, Rvs, Yachts, , Trucks Diameter: Positive Pole 19mm, Negative Pole 17mm Size Chart: 56cmx35.5cm/22.05inchx13.98inch Package Includes: Optional: Style A: Positive and Negative Battery Pile Heads Or Style B: Positive and Negative Battery Pile Heads ,Terminal Blocks Or Style C: Positive and Negative Battery Pile Heads ,Red and Green Insulating Pads Or Style D: Positive and Negative Battery Pile Heads,Red and Green Insulating Pads, Battery Brush Or Style E: Positive and Negative Battery Pile Head, Red and Green Insulating Pad , Battery Brush,Terminal Or Style F: Positive and Negative Battery Pile Head, Red and Green Insulating Pad, Battery Brush, Terminal, Wrench Note: 1. Please allow slightly error due to manual measurement. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. 3. Wish you a wonderful on line shopping!