Ridgid 37920 High Speed Pipe Dies

These 12-R right-hand manual threader pipe and bolt dies are made of high-speed steel for stainless steel and have ” NPT thread with 14 TPI. They are for use with 00-R, 11-R, 0-R, and 12-R ratchet threaders, or 30A and 31A three-way pipe threaders. There are four dies in a pack.