The Makita B-59003 Nemesis II SDS-Plus 5 piece drill bit set resolves problems drills more precisely & lasts longer. Drilling into reinforced concrete is not a hit & miss application & reinforcing bar no obstacle for the Nemesis II B-59003. The B-59003 is suitable for use in the hardest of natural stone & comes with drill bits from 5.5mm to 8mm in a hard plastic case.