General description Tough carbon steel tap and die set designed for cleaning and cutting internal and external threads. This comprehensive 40-piece set includes essential tools for various threading tasks. Technical specifications Material: Carbon steel Includes: 16 metric taps and 16 metric dies Metric taps sizes: M3 x 0.5, M3 x 0.6, M4 x 0.7, M4 x 0.75, M5 x 0.8, M5 x 0.9, M6 x 0.75, M6 x 1, M7 x 0.75, M7 x 1, M8 x 1, M8 x 1.25, M10 x 1.25, M10 x 1.5, M12 x 1.5, M12 x 1.75mm Includes: 1/8" NPT die and 1/8" NPT tap Compatibility and accessories Bar type tap wrench 'T' type tap wrench Die handle Screwdriver Screw pitch gauge Storage case