This 40-piece practical tap and die set is perfect for cleaning and cutting internal and external threads, and can be used for automotive and general mechanical workshop purposes. Manufactured from high-quality carbon steel, the tools are heat treated and tempered for strength and durability. Thanks to the included convenient carrying case, these tools are easy to transport and do not take up too much storage space. Delivery includes 1 x gauge, 1 x tap wrench M3-M12, 1 x die wrench, 1 x screwdriver, 1 x tap wrench M26, 1 x thread pitch gauge, 17 x taps and 17 x dies.