Ridgid® button die, manual threader, 7/16-14 pipe and conduit, UNC thread, right hand thread, for use with 00-RB ratchet bolt threaders, or 31B, 33B, 35B, 37B 3-way bolt threaders, alloy. Ridgid® 38350 Manual Threader Button Die, 7/16-14 Pipe and Conduit, UNC Thread, Right Hand Thread, Alloy