Phillips Screwdriver Bits SetShank Type:1/4" Hex Shank Length:75mm; Models:PH0, PH1, PH2 This screwdriver bit set can meet your different needs.High hardness bits: these screwdriver bits are made of S2 alloy steel, high torque and good hardness, strong and durable. Reduce wear and ensure longevity.Strong magnetic: the magnetic head of the bit is convenient to use and does not slip, more convenient. Can be precisely locked, no damage to the screw and screwdriver head, which improves your work efficiency.Precise marking: surface printed with specifications, easy to find that you need.ApplicationUsed for electric screwdriver, manual screwdriver, electric drill, wind set of tools, air drill and so on. PH0 is suitable for small devices and precision devices; PH1 is suitable for large and small appliances; PH2 is suitable for household screws and large appliances.