The bell-shape Hex Driver Bits allows the bit to hold the bit securely in plfor quicker installations. Hex Nut Drivers designed and engined for long life and good durability for operating. Hex Nut Drivers are used in manufacturing assembly systems and others. Model # US-SA-AJD-16993 Features: Product Name : Hex Driver Bit;Material : Chrome-Vanadium Hex Socket Size : 11mm/ 7/16";Hex Shank Size : 6. 35mm/ 1/4" Overall Size : 18 x 65mm/ 0. 7" x 2. 5" (D*L);Color : Gray Weight : 255g Package : 5 x Hex Driver Bits.
