CS Unitec Monkey Wrench, Aluminum Bronze CS Unitec Non-Sparking / Non-Magnetic Monkey Wrenches are a part of CS Unitecs Non-Sparking/Non-Magnetic and corrosion resistant Safety Tool Line. CS Unitec Non-Magnetic Monkey Wrenches are specifically designed to eliminate the risk of sparks at high-risk sites where explosive atmospheres may be present. CS Unitec Non-Sparking Monkey Wrenches are available in Aluminum Bronze. CS Unitec Non-Magnetic Monkey Wrenches are designed with adjustable jaws to grip and turn multiple sizes of nuts and bolts. CS Unitecs Non-Sparking Monkey Wrenches are drop forged for the highest quality in hand tools.