Ferrule Crimping Range AWG23 - 7 (0.25~10mm²). This tool is suitable for crimping a wide range of wire ferrules terminals, accommodating various diameters. Self-adjustable Ratchet Design The tool automatically adjusts itself to the appropriate diameter, ensuring more accurate crimping of wire ferrules terminals. Ergonomic Design The handle is made of environmentally friendly pp+tpr material, providing a comfortable and safe user experience. Leveraging the theorem, it reduces effort during operation and offers improved gripping power. High-Quality Material Constructed with high-quality steel, this ferrule crimping tool is sturdy and durable, guaranteeing long-lasting use. Precise Crimping Equipped with a precise and accurate crimping mechanism, this tool securely and effectively crimps ferrules.