General description Makita B-53811 100 Piece Drill Bit Set is a versatile kit designed for a wide range of drilling applications. It is suitable for use with power drills to effectively drill through wood, steel, and masonry. This comprehensive set also includes wood cutting holesaws, making it an essential addition to any DIY enthusiast or professional's toolkit. Technical specifications Contains: Magnetic bit holder 2 x holesaws (32mm and 38mm) Holesaw arbor Countersink 3 x wrench bits (6mm, 8mm, and 10mm) 2 x flat wood bits (12mm and 16mm) 6 x HSS drill bits (2mm, 3mm, 4mm, 5mm, and 6mm) 7 x 3-point wood drill bits (3mm, 4mm, 5mm, 6mm, and 8mm) 4 x masonry drill bits (6mm, 7mm, and 8mm) 12 x 50mm screwdriver bits (5 x Philips (PH1, 3 x PH2, and PH3), 5 x Pozi (PZ1, 3 x PZ2, and PZ3), and 2 x Torx (T20 and T30)) 25 x 25mm PZ2 bits 36 x 25mm screwdriver bits (6 x Torx (T10, T15, T20, T25, T30, and T40), 7 x Philips (2 x PH1, 3 x PH2, and 2 x PH3), 4 x slotted (4mm, 4.5mm, 5mm, and