Ideal for drilling in hard-to-reach areas and for running wires and cableBit is constructed of M-2 high speed steel for the best combination of strength, heat resistance, and wear resistanceFor general use in wood, metal, and plasticBlack oxide coating resists corrosion135 degree split point ensures a true start and eliminates bit walkingSpecificationsItem #SizeTwist LengthOverall LengthBulk612041/16"7/8"12"*612063/32"1-1/4"12"*612081/8"1-5/8"12"*612105/32"2"12"*612123/16"2-5/16"12"*612147/32"2-1/2"12"*612161/4"2-3/4"12"*612189/32"2-15/16"12"*612205/16"3-3/16"12"*6122211/32"3-7/16"12"*612243/8"3-5/8"12"*6122613/32"3-7/8"12"*612287/16"4-1/16"12"*6123015/32"4-5/16"12"*612321/2"4-1/2"12"*621041/16"7/8"12"621081/8"1-5/8"12"621123/16"2-5/16"12"621161/4"2-3/4"12"621205/16"3-3/16"12"621243/8"3-5/8"12"621287/16"4-1/16"12"621321/2"4-1/2"12"