For transferring of threaded, drilled, and reamed holes. Punches are made of heat-treated and tempered tool steel, and have a black oxide finish. Diameters are .0025" undersize.
This product may contain metals and/or chemicals that are included in the State of California's latest Prop 65 warnings. Exposure may cause cancer and/or reproductive harm. For more information go to www.P65Warnings.ca.gov