... Tap and Die SetMaterial: alloy steel27pcs Taps: 3x0.5, 4x0.7, 5x0.8, 6x1.0, 7x1.0, 8x1.25, 9x1.25 ... /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 ... /2-18, 1/8-2727pcs Dies: 3x0.5, 4x0.7, 5x0 ... /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 ...