Ridgid® hand threader die head, series: 00-R, 3/8 in nominal, NPT, right hand thread, alloy steel die, alloy steel, for use with Ridgid® 00-R manual pipe threaders. Ridgid® 36885 Hand Threader Die Head 00-R, 3/8 in Nominal, NPT Thread, Right Hand Thread Direction, Alloy Steel Die