Details:9 Piece Metric Hex Socket Drill Bit Set 1/4 Drive Nut Driver Tool KitProvide greater turning power and insure longevity that holds up job after job9-Piece metric hex bit socket set 1/4" drive includes: 5mm, 6mm, 7mm, 8mm, 9mm, 10mm, 11mm, 12mm, 13mmEach bit with its size imprinted on the bit itself and slot, making it easy to identify them and convenient to carryMaterial: Chrome-vanadium steelShank size: 1/4inchInner Hex: 5mm-13mmPackage Contents: 9pcs/Set Hex bit socket setNote: The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.