Screw Machine Drill Bit Set, Number of Drill Bits 21, 135 Degrees Drill Bit Point Angle, High Speed Steel, Black Oxide, Drill Bit Sizes Included 1/16 in, 1/4 in, 1/8 in, 11/32 in, 11/64 in, 13/64 in, 15/64 in, 17/64 in, 19/64 in, 21/64 in, 23/64 in,...