【Quality Material】: Made from durable iron, these car battery terminal repair tools are designed to be wear-resistant and sturdy, ensuring long-term reliable use 【Versatile Design】: These battery welding tools feature a multifunctional design, ideal for efficiently repairing car battery terminals and connectors 【Nice Fit】: With a compact and lightweight structure, 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 handle 【Wide Application】: Suitable for repairing, maintaining, or replacing old or damaged components, these battery maintenance tools meet various automotive battery repair needs 【Complete Set Included】: The battery terminal repair kit includes 1 pair of tools (positive and negative), providing all necessary components 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 Terminal Repair Tools (positive and negative) Note: Please allow slight variations of 1-2 cm due to manual measurement