The 33-piece M-Case from Einhell includes a selection of high-quality bits and stone drills designed for maximum performance and durability. They are therefore suitable for a variety of requirements and projects. The concrete drill set contains 16 impact-resistant bits in 25 mm with C 6.3 shaft in the drives PH1 / PH2 / PZ1 / PZ2 / PZ3 / T10 / T15 / T20 / T25 / T27 / 2x T30 / T40 / SL5 / H4 / H5 and eight shock-proof bits in 50 mm with E 6.3 Shaft in drives PH2 / PZ2 / 2x T15 / 2x T20 / 2x T 25 included. These bits are made of robust, manganese-phosphated S2 steel, a material known for its hardness and wear resistance. The tool set is supplemented by 8 stone drills in the diameters 3 / 4 / 5 / 6 / 7 / 8 / 9 / 10 mm with gray sand-blasted E 6.3 shank, which is made of rolled tool steel in accordance with DIN 10083-2 and are designed for longevity and efficiency. The right-hand cutting 2-cutter blades are formed without a cut and fitted with a hard metal plate which leads to a high preci