[General]: Double spanners accept standard 5/16-7/8" or 8-22mm nuts and bolts. Suitable for removing screws of various sizes. Various sizes to meet your different maintenance needs.[Construction]: Full heat treatment, hardness up to HRC60, high quality forged CR-V steel ;, large torque, long life.[Design]: The extra long design provides extra leverage, which is easier and more economical than other wrenches. Socket s in the market.Two different colors meet your different decision.[Application]: Suitable for different related maintenance industries, such as for example the maintenance of cars, mechanics, bicycles, motorcycles, etc. This is st the best gift for craft lovers.[Service] We offer the best service for all products in our store. If you have any questions about our products, please contact us at; time. We will get back to you as soon as possible and resolve the issue within 24 hours.