Graintex AW1852 Professional Adjustable Wrench, 12-Inch Drop Forged Hardened & Tempered Steel Polished & Chrome Plated Finish. For Gripping Nuts and Bolts Precision Machined Induction Hardened Jaws Cushioned Comfort Grip . Laser Etched Markings Ideal for Garage Workshop, Toolbox, Metal Workers, Electricians, Engineers, Mechanics, and DIY etc.