PT 37875 Pipe Dies 3/4" Manual Pipe threader Fits Ridgid 12-R 37875 and RIDGID 700 37875 Pipe Dies 3/4" Manual Pipe threader Fits Ridgid 12-R and RIDGID 700 Fits hand ratchet threader and RIDGID 700 power hand threader. Fits RIDGID  700 Hand Power Pipe Threader. PT is a quality alternative to RIDGID  Replacement Parts. Replacement part designed and manufactured by PT. PT is not affiliated with, and the replacement part is not approved by or warrantied by Ridge Tool Company or Ridgid, Inc.