【Quality Material】: Crafted from iron, these car battery post repair tools are designed to be wear resistant and sturdy, ensuring long-term durability and reliable performance 【Versatile Design】: These battery welding tools feature a multifunctional design, making them ideal for repairing car battery terminal posts and connectors efficiently 【Nice Fit】: With a compact structure and lightweight design, the car battery connectors have inner diameters of 1.6 cm/0.63 inch and 1.8 cm/0.71 inch, making them easy to store and use 【Wide Application】: Ideal for repairing, maintaining, or replacing old or damaged parts, these battery maintenance supplies meet a variety of automotive battery repair needs 【Complete Set Included】: The battery terminal repair kit includes 1 pair of tools (positive and negative), providing everything needed for effective battery terminal repairs Specification: Material: Iron Size Chart: Negative Inner Diameter: 1.6 cm/0.63 inch Positive Inner Diameter: 1.8 cm/0.71 inch Package Includes: 2 Car Battery Post Repair Tools (+ and -) Note: Please allow slight variations of 1-2 cm due to manual measurement