Uxcell Magnet Hex Socket Nut Driver Bits, 6.5mm x 65mm, 4-Piece, Gray Product Name : Hex Driver Bit; Material : Chrome-Vanadium Hex Socket Size : 6.5mm/ 1/4"; Hex Shank Size : 6.2mm/ 1/4" Overall Size : 11 x 65mm/ 0.43" x 2.6" (DL); Color : Gray Weight : 106g Package : 4 x Hex Driver Bits