The Makita D-47204 Drill and Screwdriver Bit Set has a selection of Drillbits for drilling into Wood, Masonry and Metal. Also includes 16 Screwdriving Bits, a countersink and Magnetic Bit Holder in a neat little case. Contains: 4 x HSS drill bits for metal - 3 - 4 - 5 - 6mm 4 x Masonry drill bits - 4 - 5 - 6 - 8mm 4 x Wood drill bits - 4 - 5 - 6 - 8mm 16 x Screwdriver bits:PH1, PH2x2, PH3, PZ1, PZ2x2, PZ3, SL4, SL5, SL6, T20, T25, T30, H4, H6 1 x countersink bit 1 x Magnetic adaptor