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: 2½\" (65mm)  Net Weight: 1.7kg