Product Name : Hex Driver Bit; Material : Chrome-VanadiumHex Socket Size : 8mm/ 5/16"; Hex Shank Size : 6.35mm/ 1/4"Overall Size : 12 x 41mm/ 0.47 x 1.6" (DL); Color : GrayWeight : 167gPackage : 10 x Hex Driver Bits Product Description For use with hexagonal head self drilling screws. Hex Socket feature magnet for holding the screws in place. Magnetic Hex Nut Drivers designed and engined for long life and good durability for operating.
