[General]: Double spanners accept standard 5/16-7/8" or 8-22mm nuts and bolts. Suitable for removing screws of different specifications. Different sizes to meet your different needs. maintenance. [Workmanship]: Full heat treatment, hardness up to HRC60, high quality forged CR-V steel, large torque, long service life. [ Design]: Extra long design provides extra leverage, which is easier and more economical than other socket wrenches on the market.Two different colors meet your different decisions. [ Application]: Suitable for various related maintenance industries, such as the maintenance of cars, mechanics, bicycles, motorcycles, etc. It is 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. s contact in time. We will respond to you as soon as possible and solve the problem within 24 hours.