Ridgid 31100 Aluminium Straight Pipe Wrench 18 Inch / 450mm The Ridgid 818 Pipe Wrench has a 2. 1/2 Inch capacity and is constructed from lightweight aluminium. Suitable for one-handed operation the wrench has a full floating forged hook jaw with self-cleaning threads. Both jaws are replaceable. Features: Professional strength Lightweight aluminium - nearly 40% lighter than the cast-iron wrench of the same size Jaws are identical to the Ridgid heavy duty wrenches Offers the same durability and ease of use found in all RIDGID heavy-duty wrenches Specification: Model: 31100 Catalogue Number: 818 Pipe Capacity: 2?" (65mm) Net Weight: 1.7kg