1、Compact And Lightweight: This locknut wrench is small in size and light in weight, which is very convenient to carry and use, and can be used in many situations, which is very practical. 2、3/8 Inch Ratchet Opening: Equipped with a 3/8 inch ratchet opening, the C shape spanner wrench facilitates easy and slick rotation, allowing for accurate and controlled operating when working with various types of nuts. 3、High Torsion: With the ability to handle nuts that may require more torsion than expected, this shock spanner hook wrench tool is designed to provide the necessary power to tighten or loosen stubborn nuts effectively and efficiently. 4、Hardened 45 Steel Construction: Made from hardened 45 steel material, this locking nut wrench is rugged and sturdy, capable of withstanding demanding tasks and ensuring long term performance. The wrench has also undergone thorough heat treatment and has a black powder coating for added strength and erosion resistant. 5、Multifunctional: This rescue but wrench is specifically designed to handle a variety of nuts, including castle nuts, DIN 1804 nuts, and other types with a 1 3/8 inch outer diameter, providing versatility for different applications. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.