Tap and Die Set, Number of Pieces 22, Die Shape Round Fixed, Tap Type Hand, Die Material High Speed Steel, Thread Sizes Included 1/2 In.-13, 1/2 In.-20, 1/4 In.-20, 1/4 In.-28, 3/8 In.-16, 3/8 In.-24, 5/16 In.-18, 5/16 In.-24, 7/16 In.-14, 7/16...