- Exceptional Durability: Constructed from heavy-duty 45# carbon steel, this self-adjusting wrench undergoes rigorous processing, including hardening, quenching, and forging. With a hardness rating of HRC 48-52, it delivers outstanding toughness and a rust-proof surface for long-lasting performance. - Wide Range of Compatibility: This two-piece wrench set features a 10" wrench with a jaw capacity of 0.55" - 1.18" and a 14" wrench with a jaw capacity of 1.18" - 2.36". Designed to handle various nut types, including prism, square, and diamond, these wrenches adapt seamlessly to meet your specific needs. - Ergonomic Design for Comfort: The TPR ergonomic handle ensures a secure grip while keeping your wrist in a natural position, reducing strain during use. This thoughtful design enhances user comfort and boosts overall efficiency. - Versatile Utility Features: The hardened tail, also made of carbon steel, doubles as a crowbar for prying or chiseling tasks, increasing the versatility of your toolbox. The self-locking mechanism on the heavy-duty quick pipe wrench simplifies operation, making it user-friendly and efficient. - Practical Applications: Ideal for plumbing projects, automotive repairs, and general maintenance tasks. Whether you're tightening pipes, adjusting bolts, or prying open stubborn lids, this wrench set provides the reliability and adaptability you need for various jobs. This self-adjusting wrench set combines durability, comfort, and versatility, making it an essential addition to any toolbox.