Klein Tools 65239 Flip Impact Socket Set, SAE and Metric, 13 Pc.

This 20-Piece impact socket set features (10 SAE and 10 Metric) sizes combined into 10 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 nest into 3/8-Inch square drive adpater). Also comes with a Compact, modular storage system with a clear lid that is compatible with MODbox and stackable with other cases of its similar design.