Irwin 3/8 x 6 in. M-2 Black Oxide Extended Length Drill Bit is designed for drilling in hard-to-reach areas, making it i for running wires and cables. Crafted from M-2 high speed steel, this drill bit an excellent balance of strength, heat resistance, and wear resistance. Its black oxide coating helps resist corrosion, ensuring durability over time. The 135-degree split point design s a precise start and prevents bit walking, providing reliable performance. Suitable for general use in wood, metal, and plastic, this drill bit is a versatile addition to any toolkit. Model Number: 66724