The Klein Tools adjustable wrench is designed with smaller size but the ability to handle heavy-duty jobs. This wrench is manufactured from heat-treated alloy steel for strength and has a high polish chrome finish. It also features a lightweight 12-inch design with an extra-capacity jaw.Features High polish chrome finish Precision-machined jaws are individually chosen and assembled by hand for smooth operation Forged heat-treated alloy steel for maximum strength and light weight Contoured handles for comfortable use Rail is ground for precision fit Knurl turns smoothly for easy operation Extra-capacity allows use of a smaller size wrench to handle bigger jobs, especially in confined spaces Chrome-plated for rust resistance Heat-treated for long life Warnings Always wear approved eye protection. Do NOT extend handle length. NOT insulated. Plastic-dipped or slip-on plastic handles are NOT intended for protection against electrical shock. Do NOT push or hammer wrench. Overall Length: 12.35 in (31.4 cm) Jaw Capacity: 1.5 in (3.8 cm) Weight: 1.8 lbs Width: 1 in Height: 1 in Material: Alloy Steel Handle Finish: Plastic-Dipped, Chrome-Plated Handle Color: Transparent Red, Blue Country of Origin: Spain Compliance: Meets ASME 107.11-2010 standards DownloadsSpec Sheet