Extensive compatibility Designed for mainstream angle valves used in bathroom fixtures, this wrench helps ensure proper compatibility with hot and cold water pipe fittings, reducing mismatch issues during installation and simplifying the process. Easy to use in tight spaces Flexible L-shaped design with a thin-wall profile allows access to concealed piping in confined spaces, while delivering dependable performance and easy handling. Efficient and versatile design 1/2-inch standard interface enables quick connection and dual-mode operation for drills and wrenches, optimizing workflow and maintaining stability across various applications. Rugged metal construction Reinforced build resists rust, wear, and deformation for long-lasting performance, with non-slip teeth for a secure grip. Use scenarios - Installing or upgrading bathroom fixtures where supply lines run behind cabinets or under sinks. - Replacing angle valve fittings on hot and cold water lines during fixture remodels. - Working in tight spaces behind toilets or in crawl spaces to reach hard-to-access valves.