uxcell Magnetic PH1 Phillips Cross Head Screwdriver Bits 10 Pcs Product Name : Screwdriver Bit;Head Type : Phillips Tip Size : PH1;Bit Dia(Approx) : 4mm / 0.157" Shank Size(Approx) : 6.3mm / 0.248";Overall Length(Approx) : 50mm / 1.968" Color : See the Picture;Material : Metal Total Weight : 91g;Package Content : 10 Pcs x Screwdriver Bits