All standard sizes: 5, 6, 6, 8, 8, 10, 12 x 160mm total length. Drilling depth: 110mm. You can drill all common dowel holes. From ceiling to heavy duty dowels. Effortlessly drill through concrete, natural stone and any type of masonry. Carding Bits: The drill bit set is made of high quality tungsten carbide, which is durable and rustproof. The carbide drill head is harder, stronger and more resistant to extreme loads. High-density drilling and fast waste disposal. Easy to transport- Thanks to the practical transport box, the kit fits in every drilling case. Easy to carry. So it fits in every case and you always have it with you. Use: suitable for drilling holes in concrete, ceramic tiles, stone, wood, metal, aluminium, plastic, concrete and multilayer materials / for all drill bits with SDS Plus holder like Bosch, Makita, Hilti, Einhell, Kress and Dewalt and many more. (The SDS Plus drill is only suitable for standard SDS Plus, not for SDS MAX) Number of pieces delivered: 7