Drill Bit and Tap Set, Number of Pieces 13, Drill Bit Material High Speed Steel, Drill Bit Finish Bright (Uncoated), Drill Bit Dia. Included #21, #25, #29, #35, #43, #7, Measurement System Fractional Inch, Drill Bit Point Angle 135 Degrees , Impact Rated No, Smallest Drill Bit Dia. #43