Clear Markings – Tekton punch and chisel sizes are marked with a high-visibility laser marking , Made in USA Home | Athens Middle School The tapered shaft and sharp point are precisely machined to meet exacting size tolerances, ensuring they are straight and true. HellermannTyton 901-10468 Ovalgrip PVC Cable Marker Q,2.5-5.9mm Hardened Steel Punch 5/16 Inch Center Punch | TEKTON | 66082 Roll Pin Materials and Finish – Made from 5160 high carbon steel and finished with a dry, rust-preventative coating. TEKTON 66081 1/4-nch Center Punch USA made | eBay Individually Heat Treated – Each punch is individually heat treated to harden and strengthen the tip while maintaining the soft temper of the striking end Mark a Center Point – The center punch is machined to precise tolerances and the sharp point is designed to mark an exact starting spot for drilling on the workpiece