The Rothenberger 70236 Standard Basin Nut Wrench, 3/8 to 1-1/4-inch, is chrome-plated with a pivoted reversible jaw. Established in 1949, Rothenberger has over 50 years of history as the market leader of innovative and technologically sophisticated pipe tools and machines. A long list of patents, Certification in ISO 9000, 9001 and 9002 and an emphasis in research and development result in continuous improvement and new developments in professional pipe tool technology.