Tap and Die Set, Number of Pieces 49, Die Shape Round, Tap Type Hand Tap, Die Material High Speed Steel, Thread Sizes Included 1′-14 NS, 1 In.-8 NC, 1/2 In.-13 NC, 1/2 In.-20 NF, 1/4 In.-20 NC, 1/4 In.-28 NF, 1/8 In.-27 NPT, 3/4 In.-10 NC, 3/4 In.-16 NF, 3/8 In.-16 NC, 3/8 In.-24 NF, 5/16 In.-18 NC, 5/16 In.-24 NF, 5/8 In.-11 NC, 5/8 In.-18 NF, 7/16 In.-14 NC, 7/16 In.-20 NF, 7/8 In.-14 NF, 7/8 In.-9 NC, 9/16 In.-12 NC, 9/16 In.-18 NF