Ridgid® button die, manual threader, 9/16-12, UNC, right hand thread, for use with 00-RB ratchet bolt threaders, or 31B, 33B, 35B, 37B 3-way bolt threaders, alloy. Ridgid® 38360 Manual Threader Button Die, 9/16-12 Pipe and Conduit, UNC Thread, Right Hand Thread