Irwin 67520 5/16-Inch Black Oxide 135-Degree Jobber Length, 5-Pack Power Tools standard round Knockout punch unit

standard round Knockout punch unit used on

High quality hex shank to ensure strong connection to drill chuck

Caged ball bearings on load sprocket for the ultimate in smooth

The gauge has constant spring pressure for repeatability and Bower's FastFit measuring heads for rapid measurement

Irwin 67520 5/16-Inch Black Oxide 135-Degree Jobber Length, 5-Pack Power Tools standard round Knockout punch unitConstructed of m 2 high speed steel for the best combination of strength, heat resistance and wear resistance The 135 Degree split point ensures a true start and eliminates bit walking For use in wood, metal and plasticThe Irwin Tools 67520 5 16 Inch Black Oxide 135 Degree Jobber Length Pack of 5 is ideal for basic drilling applications in metal, wood and plastic. Constructed of M 2 high speed steel for the best combination of strength, heat