Uxcell Hex Socket Nut Spanner Driver Bits, 17mm, Gray, 3-Piece Product Name : Hex Driver Bit;Material : Chrome-Vanadium Hex Socket Size : 17mm/ 11/16inch;Hex Shank Size : 6.1mm/ 15/64inch Overall Size : 24 x 66mm/ 0.94inch x 2.598inch (DL);Color : Gray Weight : 150g Package : 3 x Hex Driver Bits