Irwin 1 In. Black Oxide Silver & Deming Drill Bit Yardsticks & Straight Edge Rulers electrostatically coated with a proprietary

electrostatically coated with a proprietary vegetable oil & cured at high temperatures to allow the oil to deeply penetrate the surface of the cast iron to create an heirloom black patina finish

Color: Yellow

Carbide Tip Provides Up To 2 Times Longer Life

Portable plug-in design

Irwin 1 In. Black Oxide Silver & Deming Drill Bit Yardsticks & Straight Edge Rulers electrostatically coated with a proprietary135 deg. split point for no slip starting on hard materials. Parabolic flute design for improved heat dissipation and increased life. Industrial M7 grade steel for high performance drilling in metal, wood, and plastic. Black oxide coated for longer life and greater resistance to wear. Jobbers length. For drilling through metal, wood, fiberglass, stainless steel.