Hexagon Die, National Pipe Taper Thread, 1/4-In. x 18

1/4" x 18, national pipe taper thread, 1" 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.