TEKTON 2672 12-Inch Basin Wrench Spring-loaded jaw automatically adjusts to grip hard-to-reach fittings sized up to 7/8 in. 180-degree swivel head accesses fasteners wedged between the wall and sink basin Hardened steel jaws with aggressive teeth fit hex or square nuts Sliding T-handle lets you tighten and loosen fasteners without damaging walls or pipes Chrome-plated finish resists corrosion and is easy to clean