24 piece Tap & die sizes 1/8 NPT x 27 1/4-20, 1/4-28 5/16-18, 5/16-24 3/8-16, 3/8-24 7/16-14, 7/16-20 1/2-13, 1/2-20 1 x Die holder 1 x Tap holder Supplied in metal case Part no. 2621
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