Ridgid 36540 31-A NPT Three-Way Pipe Threaders,North Coast Electric,36540" /> This item is 36540 THREADER, 31A NPT This product is used for two-piece-threading-dies This product manufacture by United States 1/2", 3/4" and 1" capacity Uses 12-R ratchet threader dies RH alloy dies Unmatched durability and reliability