High-Quality Construction: This unique open-end wrench is made of high-quality, high-carbon steel with a chrome-plated surface for excellent wear resistance. The robust structure offers excellent strength and durability and can easily handle various repair and construction tasks. Whether you're a professional mechanic or a home user, this wrench is an ideal addition to your toolbox. Wide Range of Uses: It's suitable for a variety of occasions such as water and electrical maintenance, mechanical repairs, automotive repairs, and construction sites, meeting your diverse needs in different work environments. Whether tightening pipe fittings, adjusting mechanical parts, or assembling 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 carry and remains clearly visible even after long-term use, helping you achieve precise operation in various work environments. No need for repeated measuring and adjustments, saving time and improving work efficiency. Smooth Adjustment: The unique open-end wrench adopts an innovative design to ensure a smooth adjustment process. No need to twist it forcefully; a simple, light turn can quickly adjust it to the required opening width. Whether you're dealing with large bolts or small parts, you can use it easily, ensuring comfortable and convenient operation every time. Two-in-One Design: The two-in-one design of the wrench and hose clamp combines fixed and movable opening functions to offer greater flexibility. The maximum opening width is 20 mm, which can accommodate bolts and nuts of various specifications. Whether tightening or loosening parts of different sizes, a wrench can meet your various needs and reduce the hassle of carrying tools.