SDS-plus hammer drill set for professional, powerful work in concrete, natural stone and masonry. 6 SDS-plus high-performance drills with robust head shape and high-quality carbide cutting edge for a long service life and demanding applications even in the hardest concrete and granite. Optimized spiral shape for fast drilling dust transport and high power transmission during drilling. For use in hammer drills with SDS-plus chuck. Suitable for all power tool brands.