Irwin 2074118 2-1/2-Inch Jaw Capacity 18-Inch Cast Aluminum Pipe Wrench

40-Percent lighter than cast iron | I-beam handle and wide design provides better weight distribution | Drop-forged jaw resists distortion or breakage | Easy-spin adjusting nut is heat-treated | Hammer head design provides flat surface for hammeringAmazon.ca Product DescriptionHeavy-duty cast aluminum housing is 40% lighter than cast iron. The I-beam handle's wide design provides better weight distribution. Drop-forged jaw is heat-treated to resist distortion or breakage. Hardened teeth provide tremendous bite. Easy-spin adjusting nut is heat-treated for durability. Hammer head provides flat surface for hammering. IRWIN VISE-GRIP Tools Cast Aluminum Pipe Wrench, 2-1/2-Inch Jaw Capacity, 18-Inch (2074118)From the Manufacturer18" Cast Aluminum Pipe Wrench features heavy-duty cast aluminum housing that is 40% lighter than cast iron and easier to maneuver. Drop-forged jaw is heat-treated to resist distortion or breakage. Easy-spin adjusting nut is heat-treated for durability. Hardened teeth provide tremendous bite.