Channellock 8SWCB Slim Jaw Adjustable Wrench, WideAzz Jaw Opening of 1-1/2" and Code Blue Grip for Comfort, 8" Xtra Slim 3/16" Jaws Allows access to previously impossible to reach areas 4 thread knurl and non-protruding jaws provide greater capacity; minimal head width improves performance in confined spaces Longer jaws grip better, Thinner jaws give greater access in tight spaces. Measurement scales (in. on front mm. on reverse) are handy for sizing nuts, pipe and tube diameters Chrome Vanadium steel construction Code Blue grips are designed for durability and comfort