uxcell 10 Pcs 6.3 x 50 x 5mm Gray Metal Hex Screwdriver Bits Product Name : Screwdriver Bit;Head Type : Hex Tip Diameter : 5mm/ 0.196";Shank Diameter : 6.3mm/ 0.248" Each One Length : 50mm/ 1.96";Color : Gray Material : Metal;Total Weight : 128g Package Content : 10 x Screwdriver Bits