1.: The socket set features a sturdy chrome vanadium CrV steel diecast construction, with polished surfaces that are easy to clean and highly corrosion resistant. Oversized embossed size markings allow for easy reading and will not wear out even with extreme torque changes. 2.Wide range of applications: This 46piece socket wrench set is designed for a variety of repair tasks, from engines and tyres to spark plugs. Perfect for both professional car repairs and various electrical repairs. 3.Smooth function: allows efficient and precise operations with the quick release button, with a smooth ratchet mechanism that ensures and comfortable use. 4.Convenient Portability: The socket wrench set is dropproof and wearresistant. The polyethylene material is thicker and the secure lever lock provides box strength, while the highdensity toolbox reduces overall weight for easy transport and quick organization.