Ridgid Alloy Steel SAE Universal Die Set 1/2 in.-3/4 in. NPT 4 pc

Ridgid 47745 one half inch to three quarter inch NPT (Nominal Pipe Size-Threads Per Inch) dies are compatible in the Wheeler-Rex 897065 Universal Die Head and the RIDGID 97065 Universal Die Head. The Die Heads can be mounted onto several different threading machines from either Ridgid or Wheeler-Rex. The Dies in the head can be easily changed and if the Die Head is mounted to a machine the Die Head does not need to be removed from the machine for die changes.