Power Threading Threaders and Machines: Type - Power Threading Machine; Capacity - 1/8 in. - 2 in. (3-50mm) Pipe, 1/4 in. - 2 in. (6-50mm); Power - 1/2 HP, 115V Motor; Control - FOR/OFF/REV and Integral Foot Switch; Speed - 38 RPM; Manufacturer Series - Model 300