Adjustable-Head Construction Wrenches, 16 in Long, 1 1/2 in Opening, Black Oxide

Features: Versatile wrench fits all nuts and bolts to 1 1/2" (38 mm) | Knurl turns smoothly for easy operation | Forged from select alloy steel with continuous-taper handle for aligning bolt and rivet holes | Industrial black finish for corrosion resistance | Precision-machined jaws are individually chosen and assembled by hand for smooth operation | Heat-treated for long life | Rail is ground for precision fit