Teng Tools 1/2" Impact Socket Set ANSI 16 PiecesA 16 piece impact socket set designed to work with power tools. The sockets feature an ANSI standard design and a ball detent for secure attachment. The set is organized in a TT1 tool tray module for convenient storage and accessibility. Key Features: ANSI standard design for use with power tools Ball detent for secure socket attachment Made from chrome molybdenum for durability Organized in TT1 tool tray module