Faithfull FAISBSET25S Security S2 Grade Steel Screwdriver Bit Set 25pc, The Faithfull Quick-Change Security Bit Set is a useful addition to any toolkit and contains 24 of the most popular 1/4in hex drive screwdriver bit types, including 18 of the most common security fixings used in industry on appliances and toys.  Manufactured from hard-wearing S2 steel, these bits provide a long working life.  Used in conjunction with the quick-release magnetic bit holder, they can be swiftly changed without the need to open the drill chuck.  The set is supplied in a sturdy impact resistant plastic storage case. Contents: Pozidriv Bits: PZ1, PZ2 & PZ3, Phillips Bits: PH1, PH2 & PH3, Spanner - 4, 6, 8, 10, 12mm, Star Security - T10S, T15S, T20S, T25S, T27S, T30S & T40S Hex Security 2, 2.5, 3, 4, 5 & 6, 1 x Quick-Release Magnetic 1/4in Hex Drive