Product Description The kwb Stone Drill Bit Set provides excellent drilling performance for various materials, including masonry, natural stone, artificial stone, and limestone. These hard metal-tipped drill bits are high-temperature soldered, ensuring durability and long-lasting use. The chisel-shaped half-round drill spiral is specifically designed to facilitate efficient chip removal during drilling, ensuring smooth and precise drilling results. These versatile drill bits are suitable for both rotary and hammer drills, making them suitable for a wide range of applications and drilling tasks. Whether you are a DIY enthusiast or a homeowner working on home improvement projects, the kwb Stone Drill Bit Set is an essential addition to your tool collection. It comes in sizes ranging from 3mm to 10mm, covering various drilling needs. Compatible with most standard rotary and hammer drills, this set provides reliable and efficient drilling solutions for your drilling projects. Set Contains: 8 x masonry drill bits