CS Unitec Flange Wedge with Lanyard Hole, Aluminum Bronze CS Unitec Non-Sparking Flange Wedges are a part of CS Unitecs Non-Sparking / Non-Magnetic and corrosion resistant Safety Tool Line. CS Unitec Non-Magnetic Flange Wedges are specifically designed to eliminate the risk of sparks at high-risk sites where explosive atmospheres may be present. CS Unitec Non-Sparking Flange Wedges are available in Aluminum Bronze. CS Unitec Non-Magnetic Flange Wedges are designed for leverage and striking, and are often used with other tools to separate objects such as large connected pipes. CS Unitecs Non-Sparking Flange Wedges are drop forged for the highest quality in safety tools.