Ampro T19110 3/8-Inch Drive Lighted Extension 1/2" (F) x 3/8" (M) lighted extension with 3/8" (F) x 1/2" (M) adapter for multiple uses Chrome Vanadium Steel Light shines through sockets for working in low light areas 3 LR44 Button Cell Batteries included 1/2-Inch (F) by 3/8-Inch (M) lighted extension with 3/8-Inch (F) by 1/2-Inch (M) adapter for multiple uses Light Shines Through Sockets for Working in Low Light Areas 3 LR44 button cell batteries included Chrome vanadium steel