The Ridgid Aluminum Straight Pipe Wrench is 40% lighter than the heavy-duty model, making it ideal for overhead use. The wrench features an I-Beam handle for maximum strength and a wide gripping surface for comfort. The wrench also features replaceable alloy steel jaws to extend the life of the tool. The hook jaw shows graduations for easy adjustment to different pipe sizes. The wrench provides fast, one handed ratcheting action with a full floating forged hook jaw and knurled adjustment nut. ADDITIONAL SPECIFICATIONS: Model No.: 818; Nominal Size: 18"; Pipe Capacity: 2-1/2"; Weight: 3-3/4 lb.