RIDGID C-36 Heavy-Duty Chain Wrench 900mm (36in) 31330The 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 36 Heavy Duty Chain Wrench Size: 900mm (36in). Rated Pipe Capacity: 110mm (4. 1 2in). Actual O. D. Capacity: 185mm (7. 1 2in). Chain Length: 725mm (29in). Weight: 7. 1kg. Rated Pipe Capacity is