The item shown is an Epica Star 10-piece 1/2-inch drive impact socket set with an L-type handle.
Product Model: EP-20611.
Contents: Includes nine sockets in sizes 10, 12, 13, 16, 17, 19, 21, 22, and 24mm, along with an L-shaped breaker bar.
Case: Packaged in a yellow hard plastic blow-molded carrying case.
Usage: Designed for high-torque applications, typically used with impact tools.