This 28-piece E-Torx star socket set from US PRO is designed for various automotive and mechanical applications. The set includes sockets with 1/4", 3/8", and 1/2" drive sizes, ranging from E4 to E24. Made from durable chrome vanadium, these female-fit sockets offer a mirror and satin finish for enhanced longevity and performance. The set includes specific sizes for each drive: 1/4" Drive: E4, E5, E6, E7, E8, E10, E11; 3/8" Drive: E4, E5, E6, E7, E8, E10, E11, E12, E14, E16, E18, E20; and 1/2" Drive: E10, E11, E12, E14, E16, E18, E20, E22, E24. The total weight of the set is approximately 3.67 pounds.