CS Unitec Non-Sparking / Non-Magnetic 12 Point Striking Box Wrenches are a part of CS Unitec Non-Sparking / Non-Magnetic and corrosion resistant Safety Tool Line. CS Unitec Non-Sparking / Non-Magnetic 12 Point Striking Box Wrenches are specifically designed to eliminate the risk of sparks at high-risk sites where explosive atmospheres may be present. CS Unitec Non-Sparking / Non-Magnetic 12 Point Striking Box Wrenches are available in Aluminum Bronze or Copper Beryllium. CS Unitec Non-Sparking / Non-Magnetic 12 Point Striking Box Wrenches are designed to loosen and tighten bolts and feature a square handle that is struck with a hammer to help tighten large fittings. CS Unitec Non-Sparking / Non-Magnetic 12 Point Striking Box Wrenches are drop forged for the highest quality in hand tools.Prop. 65 Warning for California ResidentsWARNING: This product may contain chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.