- 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
![Klein Tools Adjustable-Head Construction Wrenches, 11in Long, 1 5/16 in Opening, Black Oxide, 1/EA, #3227 Klein Tools Adjustable-Head Construction Wrenches, 11in Long, 1 5/16 in Opening, Black Oxide, 1/EA, #3227](https://cdn11.bigcommerce.com/s-gdy1ehz/images/stencil/500x659/products/268987/373650/409-3227__89896.1595604588.jpg?c=2)