The Faithfull Quick Change Bit Set is a useful addition to any toolkit, containing 24 of the most popular bit types. These screwdriver bits have been manufactured from hard-wearing S2 steel to provide a long working life and, when used in conjunction with the quick-release magnetic bit holder, they can be swiftly changed without the need to open the drill chuck. Supplied in a sturdy plastic storage case. Contains 8 x 25mm Pozi Screwdriver Bits PZ1(2), PZ2(3) & PZ3(3) 3 x 25mm Phillips Screwdriver Bits PH1, PH2 & PH3 3 x 25mm Slotted Screwdriver Bits 4, 5.5 & 6.5mm 4 x 25mm Hexagonal Screwdriver Bits 3, 4, 5 & 6 6 x 25mm Star Screwdriver Bits T10, T15, T20, T25, T30 & T40 1 x 1/4in Quick-Release Magnetic Ejector Bit Holder