8pc Sizes Alloy Steel Phillips Head Screwdrivers 75mm Length 6.35mm Chuck 40JAOOTDTY Materials: S2 Alloy Steel Sandblasting Color: As the picture shown Feature:These long Phillips screwdriver bits are made of S2 alloy steel, which is commonly used in high hardness hardware. The magnetic bits can be fixed securely on screwdrivers.8 sizes set with affordable price can meet your requirements. These bits fit for electric screwdrivers, handheld screwdrivers, electric drills, air drills and so on. Head Type: Cross / PhillipsShank Type: 6.35mm / 1/4 inch Hex HeadProduct Dimensions:PH0: Phi; 3.0(75mm)PH1: Phi; 3.0(75mm)PH1: Phi; 4, 0(75mm)PH1: Phi; 4, 5(75mm)PH2: Phi; 4, 0(75mm)PH2: Phi; 4, 5(75mm)PH2: Phi; 5.0(75mm)PH2: Phi; 6.0(75mm)Quantity: 1 set (8 pieces)Notes:PH0 is suitable for small devices and precision cameras; PH1 is suitable for mainstream and small appliances; PH2 is suitable for household screws and large appliances. Do not rotate screws of unparalleled size if both the screw and bits are damaged. Please allow manual measurement errors.