uxcell 1/4" Shank 13mm Hex Socket Nut Setter Spanner Driver Bits 5 Pcs Product Name : Hex Driver Bit;Material : Chrome-Vanadium Hex Socket Size : 13mm;Hex Shank Size : 6.1mm/ 1/4" Overall Size : 18 x 66mm/ 0.71" x 2.598" (D*L);Color : Silver Tone Weight : 200g Package : 5 x Hex Driver Bits