Tap and Die Set Number of Pieces 39 Die Shape Round Fixed Tap Type Straight Flute Die Material High Speed Steel Thread Sizes Included 1/2 In.-13 1/2 In.-20 1/4 In.-20 1/4 In.-28 1/8 In.-27 10-24 10-32 12-24 3/8 In.-16 3/8 In.-24 4-40 5/16 In.-18 5/16 In.-24 6-32 7/16 In.-14 7/16 In.-20 8-32