General description The Metric tap and die set is made of 40 high-performance steel alloys and comes in a durable metal storage case. This comprehensive kit is designed for cutting both internal and external threads. Technical specifications Number of pieces: 40 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 Includes 17 external threads Includes 2 external threads Includes 1 internal thread Includes slotted/flat screwdriver Includes thread gauge