Hammer drill SDS-plus-7X. Diameter: 5 mm, spiral length: 100 mm, total length: 165 mm. Contents of the sales package: 10 pieces. 4-cutter solid carbide head with three times longer life in reinforced concrete. Ultimate sharp 90 degree centering tip for deep and stable centering. Large dust removal channels and 4-spiral design for fast dust removal and highest drilling speed. Solid carbide 4-cutter for exceptional life and resistance in reinforced concrete.