Hexagon Die, 3/8-In. x 18 NPT

3/8" x 18 national pipe taper thread, 1-7/16" across, hexagon die, carbon steel, ideal for plumbing, air applications & for rethreading where high accuracy & tolerance thread is not critical, recommended for use with hexagon die stock, die can be used with a wrench or socket when space is limited, designed for hand threading work in a variety of materials.