The Yokota impact wrenches are specially built for industrial applications. The heavy duty models are produced with 1 or 2 hammer impact system. The chapter impulse wrenches are recommended for specialized assembly applications. The Toku impact wrenches are built for industrial and heavy duty workshop applications. The high quality tools are produced with closed hammer mechanism, or with Twin-hammer mechanism. The Red Rooster impact wrenches are built for industrial and heavy duty workshop applications. The tools are produced with twin-hammer or 3-jaw mechanism and prove suitable for continuous use. The Red Rooster Automotive impact wrenches are manufactured with 1-hammer mechanism and are used for workshop applications in intermittent use, e.g. automotive repair shops, etc.