High-quality construction: This single open-end wrench is made of high-quality high-carbon steel with a chrome-plated surface for excellent wear resistance. The sturdy structure provides excellent strength and durability and can easily cope with various repair and construction tasks. Whether it is a professional mechanic or a home user, this wrench is an ideal choice for your toolbox. Wide range of uses: It is suitable for a variety of occasions such as water and electricity maintenance, mechanical repair, automobile repair and construction sites, meeting your different needs in different working environments. Whether it is tightening pipe fittings, adjusting mechanical parts or installing furniture, this wrench can provide reliable performance to help you complete the task efficiently. Laser scale: The wrench is marked with clear laser scales, allowing you to quickly and accurately adjust it to the required size. The laser scale is not easy to wear and can remain clearly visible after long-term use, helping you achieve accurate operation in various working environments. No need to repeatedly measure and adjust, saving time and improving work efficiency. Smooth adjustment: The single open-end wrench adopts an innovative design to ensure a smooth adjustment process. No need to twist it hard, just a light turn can quickly adjust to the required opening width. Whether you are dealing with large bolts or small parts, you can use it easily, ensuring comfortable and convenient use every time. Two-in-one design: The two-in-one design of the wrench and the hose clamp combines the functions of fixed opening and movable opening to provide more flexibility. The maximum opening width is 22mm, which can adapt to bolts and nuts of different specifications. Whether it is tightening or loosening parts of different sizes, one wrench can meet your different needs and reduce the trouble of carrying tools. Note: The data are all measured manually, please allow 1-3cm error, due to differences in light and display, there may be some color differences, please refer to the actual item received.