CNC forged and titanium coated for extended tool life, the KPKL Tap and Die Set is the perfect tool choice for hand threading and heavy-duty threading in the home, garage, shop, and construction site. It is suitable for a wide range of applications including automotive repair, metal fabrication, mechanical, plumbing and more. Constructed of highly durable GCr15 bearing steel, this tool set cuts a wide variety of metal pipes and rods in carbon steel, cast iron, stainless steel, aluminum, brass, copper and more.