Tap and Die Set Number of Pieces 16 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 Die 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 Number of Dies in Set 7 Thread Standard UNC