CS Unitec American Type Pipe Wrench, Aluminum Bronze CS Unitec Non-Sparking / Non-Magnetic American Type Pipe Wrenches are a part of CS Unitecs Non-Sparking/Non-Magnetic and corrosion resistant Safety Tool Line. CS Unitec Non-Magnetic American Type Pipe Wrenches are specifically designed to eliminate the risk of sparks at high-risk sites where explosive atmospheres may be present. CS Unitec Non-Sparking American Type Pipe Wrenches are available in Aluminum Bronze. CS Unitec Non-Magnetic American Type Pipe Wrenches are designed to take apart and put together pipe fittings and pipes. CS Unitecs Non-Sparking American Type Pipe Wrenches are drop forged for the highest quality in hand tools.