Strong and Sturdy Materials – The Universal Adjustable Wrench is made of high quality forged CR-V steel, which is extremely hard and durable. Antiseptic and Rustproof – The double-sided key is heat-treated as a whole, polished and electroplated. And the surface is sprayed with plastic against corrosion and rust. Scope of application – Our adjustable wrenches are available in two ranges of specifications, metric nuts and bolts from 8 mm to 22 mm and standard ones from 5/16 to 7/8 inch. Wide Range of Use – Our adjustable wrench is suitable for various machinery repair industries, such as automobile repair, motorcycle repair, industrial repair etc. Package Contains – 1 * Universal Wrench. Specification: Weight: approx. 250g Color: black Materials: CR-V steel Size: Length: 265mm; Thickness: 7mm; Length of applicable bolts and metrics: 8-13mm 14-22mm Packing List: 1 x universal key