This threading machine is a copy of Rex 4" machine, but use Ridgid dies head,

Motor: 1500W induction type, 115V or 220V, 50-60Hz
Speed: 36 RPM (1/2"-3/4"), 20RPM (1"-2"), 11RPM (2 1/2"-4")
Casting: Alluminum
Capacity:
1/2"-4" (BSPT & NPT) (1/2"-3/4", 1"-2", 2 1/2"-4" )
Equipping 2 automatic die head, trigger off automatically while threads length meets
Adjustable oiling flow; Through the head, with an integral oil reservoir
Ridgid 26157, 26137 dies head.