General description Made from high-quality Cr-V chrome vanadium steel, this 12 Piece 1/4" Drive Socket Set is heat treated and plated with a corrosion-resistant satin chrome finish, ensuring durability and a long service life. The set includes the most commonly used 1/4" metric sockets ranging from 4mm to 13mm, making it ideal for various DIY assembly and repair tasks, as well as basic car maintenance. Technical specifications Material: Cr-V chrome vanadium steel Socket sizes: 4mm to 13mm Ratchet: 24 teeth Extension bar length: 4 inches Swing arc: 5 degrees Usage Suitable for DIY assembly and repair tasks Ideal for basic car maintenance and repair