Ridgid 31330 4.1/2" Pipe Capacity Heavy Duty Chain WrenchRIDGID Pipe and Tubing Tools include the legendary RIDGID pipe wrench, the most complete and premier line of threading and roll grooving equipment, best-in-class pipe and tubing cutters, bending and forming tools, and a variety of other pipe-working tools and accessories. RIDGID Pipe and Tubing Tools perform the same every time, job after job, under the toughest conditions. Chain wrench double fast jaw gives fast, ratchet-like action in either direction. The heavy-duty model has replaceable alloy steel jaws. The light-duty model has a one-piece forged alloy steel handle and jaw. Ideal for use in close quarters.