The KNIPEX Insert Open-End Wrench, model HZ6450D-38, features a 38mm size, perfect for tackling large fasteners with ease. Constructed from high-quality chrome vanadium steel, this wrench is built for durability and long-term performance. Its open-end design allows for quick and easy access to fasteners in confined spaces, making it ideal for automotive and industrial applications. Compliant with ISO standards, it ensures reliability and safety. The ergonomic handle provides a comfortable grip, reducing fatigue during extended use, making it a valuable tool for professionals.