General purpose Phillips screwdrivers come in an assortment of Phillips tip sizes for use in a variety of applications. - Phillips screwdrivers have a Phillips-style tip at the end of the shaft that is cross shaped and is inserted into the Phillips indentation in the screwhead and the handle is turned to rotate the screw. Tip Size / #1 Tip Style / Phillips Grip Style / Plain Overall Length / 6 1/4 in Corrosion Resistant / Yes Tip Finish / Black Oxide Shank Coating / Chrome Shank Finish / Chrome Shank Length / 3 in Shank Material / Alloy Steel Shank Shape / Round Magnetized Tip / Yes For Fastener Size / 5/16 in Handle Color / Black, Yellow Handle Length / 5 in Handle Material / Plastic Standards / ASME