The Irwin Tools 69130ZR 13.00 mm Black Oxide Jobber Length - Pack of 6 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 resistance, and wear resistance, this bit will get the job done quickly. The 135 degree split point ensures a true start and eliminates bit walking Constructed 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 plastic Model 69130 Brand Name IRWIN Shank Type Straight Unit Count 6.0 Count Item Weight 0.01 Ounces Finish Types Black Oxide Manufacturer IRWIN Material Type High Speed Steel (HSS) Item Dimensions 7 x 0.58 x 0.5 inches Tool Flute Type Straight Cutting Angle String 135 Degrees Surface Recommendation Metal, Plastic, Wood Global Trade Identification Number 40024721691307