1)we have dies for threading machines such as Ridgid, Rex, Asada, 2)All kinds of Chinese threading machine dies availble ... /2"-3/4",1"-11/2"(1"-2"), 2"-3"Rex: 1/2"-3/4",1"-2"(1"-11'2",11 ... /2"-2"), 21/2"-3", 21/2"-4",5"-6"Rex in Metric, M8---M35Ridgid: 1/4"-3/8",1/2 ...