Baer Circular Die HSS - 12-UN - Right Hand - For General use - 1 5/16 x 12Baer Round Cutting Die UN 1 5 16 x 12 HSS is a generaluse tool crafted to cut external threads on cylindrical stock by hand with a die stock. Built for reliability in everyday machining, its a solid choice for both hobbyists and professionals who value precise, repeatable threads. Material: High speed steel (HSS) construction for toughness and wear resistance. Thread standard: UN 12 TPI (12 threads per inch) with righthand direction; designed to DIN