RIDGID C-18 Heavy-Duty Chain Wrench 450mm (18in) 31320The RIDGID Chain Wrenches has a sturdy, cast iron housing with an I beam handle and a double jaw that gives fast, ratchet like action in either direction. It is ideal for use in close quarters. The heavy duty models have replaceable alloy steel jaws. RIDGID C 18 Heavy Duty Chain Wrench Size: 450mm (18in). Rated Pipe Capacity: 60mm (2. 1 2in). Actual O. D. Capacity: 125mm (5in). Chain Length: 500mm (20. 1 4in). Weight: 2. 7kg. Rated Pipe Capacity is