With the Hikoki 40030030 SDS-Plus hammer drill bit set, you drill quickly and accurately into concrete, masonry, and natural stone. The chisel-shaped carbide tip penetrates dense materials with ease, making it ideal for drilling anchor and plug holes or fitting conduits. Its high-capacity S-spiral flute geometry clears dust instantly to keep your drilling smooth and clog-free. This 10-piece set covers diameters from 5 to 12 mm across lengths of 110 mm, 160 mm, and 210 mm, ensuring you always have the right size on hand. Everything stays neatly organized and protected in the durable Hikoki box III case.