uxcell Hex Shank Magnetic PH1 Phillips Screwdriver Insert Bits Product Name : Screwdriver Bit;Head Type : Phillips Tip Size : PH1;Bit Dia(Approx) : 3.5mm / 0.138" Shank Size(Approx) : 6.3mm / 0.248";Overall Length(Approx) : 50mm / 1.968" Color : See the Picture;Material : S2 Total Weight : 90g;Package Content : 10 Pcs x Screwdriver Bits