2pcs Unified Hand tap and die set UNC 1/2 1/2-13 Thread dies taps UNF UNS 1/2-14 1/2-16 1/2-18 1/2-20 1/2-24 1/2-28 1/2-40 -36

2pcs Unified Hand tap and die set UNC 1/2 1/2-13 Thread dies taps UNF UNS 1/2-14 1/2-16 1/2-18 1/2-20 1/2-24 1/2-28 1/2-40 -36

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