This 8-Piece impact socket set features 10 standard sizes in 5 color-coded sockets. Each impact flip socket features two coaxial spring-loaded sockets in one. Set includes nested adapters for dual drive (1/4-Inch hex flip socket shaft nests into 3/8-Inch square drive adapter). Also includes a compact, modular storage system with a clear lid that is compatible with MODbox and stackable with other cases of its similar design. Klein Heavy Duty Flip Impact Socket Set, SAE, 8-Piece 65618