Crafted for today’s tradesman, the HANSON™ 3/8 in. – 18 NPT Adjustable Round Pipe Taper Die With 1-1/2 in. Diameter is a must-have for custom threading. Count on the high-carbon steel construction for added strength and durability. This die meets Federal Specification GGG-D-296 and is made for use with adjustable guide and plain stock handles.