Tap and Die Set Number of Pieces 13 Die Shape Round Adjustable Tap Type Hand Tap Die Material High Speed Steel Thread Sizes Included 1/2 In.-13 1/4 In.-20 3/8 In.-16 5/16 In.-18 7/16 In.-14 Die Thread Sizes Included 1/2 In.-13 1/4 In.-20 3/8 In.-16 5/16 In.-18 7/16 In.-14 Number Of Taps 8 Number of Dies in Set 8 Thread Standard UNC Tap Shank Standard Table 302