Crafted from quality iron, these car battery terminal repair tools are designed to be wear-resistant and sturdy, ensuring long-term durability and reliable performance. Featuring a versatile design, these battery welding tools are ideal for efficiently repairing car battery terminal posts and connectors. 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 handle and store. Suitable for repairing, maintaining, or replacing old or damaged components, these battery maintenance tools meet a variety of automotive battery repair needs. The battery terminal repair kit includes 1 pair of tools (positive and negative), providing everything needed for effective battery terminal repairs. Specifications: Material: Iron 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.