Description: - Those Long Cross Screwdriver Bits are made of S2 alloy steel which is a commonly used material in hardware with high hardness. - Magnetic bits can be firmly fixed on screwdrivers. - 8 sizes a set at an inexpensive price can meet your requirements. Specifications: Materials: S2 alloy steel Type of head: cross / phillips Type of shank: 6.35mm / 1/4 inch hex Dimensions: Features: Those bits fit for electric screwdrivers, hand screwdrivers, electric drills, air drills and so forth. Notes: PH0 is suitable for small appliances and precision apparatuses; PH1 is suitable for major and small appliances; PH2 is suitable for household screws and major appliances. Do not turn the screws with unmatched size, in case get both screw and bit damaged.Please allow a bit manual measuring errors. Package included: 1 x 75mm*3.0*PH0 Cross Screwdriver bit 1 x 75mm*3.0*PH1 Cross Screwdriver bit 1 x 75mm*4.0*PH1 Cross Screwdriver bit 1 x 75mm*4.5*PH1 Cross Screwdriver bit 1 x 75mm*4.0*PH2 Cross Screwdriver bit 1 x 75mm*4.5*PH2 Cross Screwdriver bit 1 x 75mm*5.0*PH2 Cross Screwdriver bit 1 x 75mm*6.0*PH2 Cross Screwdriver bit