High quality materials: The universal socket adapter is forged from chrome vanadium steel, and the interior is made of 54 high-quality CR-V steel pipes with the characteristics of high hardness, high torque, high toughness and super durability. These steel pipes are respectively driven by springs, so the sleeve can automatically adapt to any shape, and can be moved to different types of fittings without replacing the sleeve. . Universal function: This universal ratchet can be adjusted immediately to grip most metric nuts, wing nuts, split nuts, shelled nuts, eye bolts, square nuts, hex, etc. Equipped with an electric drill adapter, you can easily connect most electric drills, electric screwdrivers and manual ratchet wrenches. . Widely used: This universal ratchet spanner can be used in automotive, home maintenance, manufacturing, construction and other industries, and is also favored by interior decoration enthusiasts. Its the perfect gift for all housekeeping staff, dads, boyfriends, brothers, men or women on Christmas, birthdays and other festivals. If you have any questions, please feel free to contact us, we will get back to you within 24 hours and provide you with quality customer service. .