Irwin Vise-Grip 18" Pipe Wrench has 2 1/2" jaw capacity and features heavy duty cast iron housing to ensure maximum durability. Wrench has drop forged jaw, heat-treated easy-spin adjusting nut and hardened teeth to provide tremendous bite. It has a wide I-beam handle for better weight distribution along with unique hammerhead design for providing a flat surface for hammering. It is also ideal for fastening nuts and bolts.