[General]: Double wrenches accept standard 5/16-7/8" or 8-22mm nuts and bolts. Suitable for removing screws of various specifications. Different sizes to meet your different maintenance needs. [Manufacturing]: Full heat treatment, hardness up to HRC60, high-quality forged CR-V steel, large torque, long service life. [Design]: The extra-long design provides extra leverage, which is easier and more labor-saving than other socket wrenches on the market. Two different colors meet your different decisions. [Application]: Suitable for various related maintenance industries, such as car maintenance, mechanics, bicycles, motorcycles, etc. It is the best gift for craft lovers. Number of pieces delivered: 1 Color: Blackluckymeet