Tap and Die Set, Number of Pieces 41, Die Shape Hex, Tap Type Straight Flute, Die Material High Speed Steel, Thread Sizes Included #10-24, #10-32, #12-24, #4-40, #6-32, #8-32, 1/2 In.-13, 1/2 In.-20, 1/4 In.-20, 1/4 In.-28, 1/8 In.-27, 3/8 In.-16, 3/8 In.-24, 5/16 In.-18, 5/16 In.-24, 7/16 In.-14, 7/16 In.-20