The Performance W1390 3-Piece Power Drill Socket Adapter transforms your drill into a power nut driver. Features: * 1/4-inch, 3/8-inch, and 1/2-inch drives * 2-inch hex shank * Chrome vanadium steel construction * Ball bearing ensures sockets are securely seated What"s In The Box: * Performance W1390 3-Piece Power Drill Socket Adapter