The Makita P-70552 Quad Driver Pro Set is a High-quality 4 Way Driver and Bit Set The Makita P-70552 is a 4 Way Driver and Bit Set (28 Piece). The quad driver body can be fitted into the barrel in two ways, one as a screwdriver, and two as a pilot drill and countersink/counterbore. The screwdriver bits can also be used in the high-quality magnetic screw guide. Features: High-quality professional set The screwdriver bits can also be used in the high-quality magnetic screw guide The quad driver body can be fitted into the barrel in 2 ways: 1 as a screwdriver and 2 as a pilot drill and countersink/counterbore Set Contains: 1x 4 Way Driver Barrel Torx - T10; T15; T20; T25 Phillips - PH0,PH1,PH2,PH3 Hex - 3mm; 4mm; 5mm; 6mm Slotted - 3mm; 4mm; 5mm; 6mm 1x No.6 4-Way Driver with pilot and Pz2 Bit 1x No.8 4-Way Driver with pilot and Pz2 Bit 1x No.10 4-Way Driver with pilot and Pz2 Bit