- Comprehensive 4-Piece Set: This adjustable C-hook wrench set includes four sizes compatible with 42, APU16, ER32, and ER40 nuts, ensuring you have the right tool for various tasks. - Durable Carbon Steel Construction: Made from high-strength carbon steel, these wrenches offer exceptional toughness and wear resistance, delivering reliable performance even in challenging conditions. - Ergonomic, Non-Slip Grip: The rubberized handle is designed for comfort and a secure grip, reducing hand fatigue during extended use while enhancing stability and safety in operation. - Efficient Identification System: Each wrench features a unique number for quick identification, allowing you to easily locate the necessary tool and improve your efficiency on the job. Applications: - Ideal for automotive repair, where precision and durability are essential for working with various nut sizes. - Perfect for machinery maintenance, ensuring you can tackle different components with ease and accuracy. - Great for DIY projects, providing versatility and reliability for home improvement tasks. This C-hook wrench set is designed for professionals and DIY enthusiasts alike, ensuring that you have the tools you need to get the job done right.