CHANNELLOCK adjustable wrenches have an endless amount of uses. Strong, reliable and versatile – it’s exactly what America has come to expect from CHANNELLOCK.Measurement scales (in on front mm on reverse) are handy for sizing nuts, pipe and tube diametersGreater jaw capacity supports larger nuts and bolts4-thread knurl and non-protruding jaws provide greater capacityMinimal head width improves performance in confined spaces