The Ridgid RapidGrip Aluminum Wrench is 40% lighter than the heavy-duty model, making it ideal for overhead use. The spring-loaded jaw allows for quick ratcheting action while the heel/hook jaw provides a secure grip. The wrench features a cast iron I-Beam handle for maximum strength and a wide gripping surface for comfort. ADDITIONAL SPECIFICATIONS: Model No.: 18; Nominal Size: 18"; Pipe Capacity: 3"; Fittings Capacity: 2-1/2"; Weight: 4.3 lbs.