High performance drill 2 in 1 for concrete and ceramic tiles clean and powerful drilling bits for ceramics and earthenware the bits provide rapid drilling with impact of concrete and stone drills metal plastic and wood without difficulty the tip is equipped with tungsten carbide the 2 in 1 drill for concrete and tiles is delivered in the unique cassette with a shock resistant hinge and a template for measuring diameters for example of bolts and dowels contents 4 5 6 8 10 mm diameters