Made from Heavy-duty Chrome-Vanadium steel alloy (50BV30) and S2 with a corrosion-resistant black phosphate finish, providing the durability for a hard use. Set includes: 13 Star Socket Bits 1/4" Drive: T8, T10, T15, T20, T25, T27, T30; 3/8" Drive: T40, T45, T47, T50, T55; 1/2" Drive: T60 Set includes: 12 Female E-Torx Sockets: 1/4" Drive: E4, E5, E6, E7, E8; 3/8 Drive: E10, E12, E14, E16, E18, E20 1/2 Drive: E22 High-contrast laser etched with high-visibility markings and hard stamped with size labels. Meets or exceeds ANSI performance standards. It comes with 1 year quality warranty.