Slim-Jaw Adjustable Wrench, 8-Inch Manufactured for strength and durability, this 8" wrench features 40% slimmer jaws (than standard adjustable wrenches), an extra-wide 1-1/2 inch jaw opening and meets ASME 107.100-2010 standards for adjustable wrenches. Excellent for working in tight spaces and wrench over wrench applications such as gas lines, pumps, extension valves and motors.