Features: Crafted with copper for superior conductivity and reinforced iron for durability, this battery terminal clamp ensures stable power transfer and long lasting performances in demanding automotive environments. The general design features quick install bolts and shims, providing a secure, tool easy connection while maintaining compatibility with most vehicle battery posts for easy setup. Ideal for car owners, motorcycle enthusiasts, and professional mechanics requiring stable electrical connection during routine maintenance or emergencies roadside repairs. Perfect for harsh weather conditions, frequent battery replacements, or extended road trips where shaking resistant, erosion proof terminals are critical for uninterrupted vehicle operate. Engineered with double layer component – copper optimizes energy efficiency while iron fortifies structural integrity – creating an essential upgrade for modern automotive electrical systems. Specifications: Component : copper + iron Length: about 40mm/1.57inch Width: about 25mm/0.98inch Package Includes: 1 set Battery Terminal Clamps note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.