General description The 40 Piece Metric Tap and Die Set is a heavy-duty alloy steel kit designed for cutting internal and external threads. It comes in a durable metal storage case, making it easy to organize and transport. Technical specifications Die dimensions (mm): 3x0.5 - 3x0.6 4x0.7 - 4x0.75 5x0.8 - 5x0.9 6x0.75 - 6x1.0 7x0.75 - 7x1.0 8x1.00 - 8x1.25 10x1.25 - 10x1.5 12x1.5 - 12x1.75 1/8NPT-27 Compatibility and accessories Includes 16 female dies 17 male threaders 2 male threaders 1 female threader Flat/flat screwdriver Thread gauge