Note: This item will be delivered via freight directly from the manufacturer. Please make sure to provide us with a phone number for the freight service. Furthermore, this item can only be shipped within Germany. With internal thread, impact drill-proof drilled, with key for clockwise and counterclockwise operation. Features: Rotation direction: for clockwise and counterclockwise operation, key size: S 2 A, drive: 1/2 ″-20 mm.