Drop forged and heat treated advanced Chrome Vanadium Steel for durability and serviceability with a corrosion-resistant black phosphate finish. Standard size is printed on the surface for easy identification. Socket set is an essential tool for your car, motorcycle, bicycle, lawn equipment, electrical appliances, machinery, etc. Socket set is used in most of automobile, whether you are a mechanic or DIY enthusiast, it is a necessity in the garage. Specifications: 1/4" Drive Sockets Includes: E4, E5, E6, E7, E8 3/8” Drive Sockets Includes: E10, E11, E12, E14, E16 1/2” Drive Sockets Includes: E18, E20, E22, E24 Material: Steel Items Included: 14PCS E Torx Star Female Bit Socket Set 1pc Storage Case