Tap and Die Set, Number of Pieces 21, Die Shape Round, Tap Type Straight Flute, Die Material Carbon Steel, Thread Sizes Included 1/2 In.-13, 1/4 In.-20, 3/4 In.-10, 3/8 In.-16, 5/16 In.-18, 5/8 In.-11, 7/16 In.-14, 9/16 In.-12, Die Thread Sizes...