• M3 to M12 steel tap and die set manufactured from HSS 4341 steel providing improved cutting performance and longevity.• Split dies with machined lead-ins for ease of use.• Taps supplied in three types for each size, taper (starting), second tap (intermediate) and plug (bottoming).• Matched by equivalent sized dies.• Provides all functions required for a professional engineer.• Set includes tap wrench, steel die handle, screw pitch gauge and screwdriver.• Supplied in metal case.M3 to M12 steel tap and die set manufactured from HSS 4341 steel providing improved cutting performance and longevity. Split dies with machined lead-ins for ease of use. Taps supplied in three types for each size, taper (starting), second tap (intermediate) and plug (bottoming); matched by equivalent sized dies. Provides all functions required for a professional engineer. Set includes tap wrench, steel die handle, screw pitch gauge and screwdriver. Supplied in metal case.• M3 to M12 steel tap and die set. • Man