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 10-inch design with an extra-capacity jaw.Warnings NOT insulated. Plastic-dipped or slip-on plastic handles are NOT intended for protection against electrical shock. Do NOT push or hammer wrench. Always wear approved eye protection. Do NOT extend handle length. Features Contoured handles for comfortable use Chrome-plated for rust resistance Heat-treated for long life Extra capacity allows use of a smaller size wrench to handle bigger jobs, especially in confined spaces Precision-machined jaws are individually chosen and assembled by hand for smooth operation Forged heat-treated alloy steel for maximum strength and light weight Knurl turns smoothly for easy operation High polish chrome finish Rail is ground for precision fit Overall Length: 10.25 in (26 cm) Jaw Capacity: 1.3125 in (3.3 cm) Handle Finish: Plastic-Dipped Handle Color: Transparent Red Depth: 10.25 in Width: 1 in Height: 1 in Weight: 1.11 lbs Material: Heat-treated alloy steel Finish: High-polish chrome Jaw Finish: Precision-machined, hand assembled Precision Fit: Rail is ground Corrosion Resistance: Chrome-plated Compliance: Meets ASME 107.11-2010 testing standards DownloadsSpec Sheet