High-quality material: This electrical crimping tool is made of high-carbon steel plate, which won't deform or bend. The PP handle is oil-resistant and easy to use. The rubber is hardened and blackened to prevent wear and oxidation. Precision crimping tool: High-precision terminal crimping holes allow for crimping the terminals onto the wires without damaging them. The terminal crimping holes are suitable for cable diameters of 0.5 mm² - 1 mm² (red), 1.5 mm² - 2.5 mm² (green), and 4 mm² - 6 mm² (yellow). Ratchet mechanism design: The ratchet mechanism applies even contact pressure to the cable lug. Crimping socket pliers continue to guarantee precise crimping and high-pressure seal quality. Ergonomic and comfortable handle: The ergonomic, padded, and non-slip handles of these electrical crimping pliers are designed to ensure a firm grip in all conditions. Satisfactory service: If you are not satisfied with our crimping pliers, please feel free to contact us, and we will provide a