Ridgid® button die, manual threader, series: 300SA, 3/8-24, UNF, right hand thread, for use with 00-RB ratchet bolt threaders, or 31B, 33B, 35B, 37B 3-way bolt threaders, alloy. Ridgid® 38395 Manual Threader Button Die, 3/8-24 Pipe and Conduit, UNF Thread, Right Hand Thread, Alloy