The Ridgid 37595 is a manual threader die head for the Ridgid 12R ratchet threader. The die is used to rethread NPSM pipes with a nominal pipe size of 2" and comes complete with the alloy dies. Ridgid has remained the symbol of certainty to dedicated professionals of the expert trades. Every tool that bears the Ridgid brand is engineered to the same high standards of quality and strength and endurance, as the first heavy-duty pipe wrench more than 80 years ago. Ridgid covers its products with a lifetime warranty against defects in material or workmanship for the life of the tool.