SET OF 9 CONCRETE DRILLS: 5mm. 6mm. 6mm.8mm. 8mm.10mm.12mm.14mm.16mmx160mm The drilling depth is 100 mm. With this you can drill all common dowel holes. (For your machine and personal safety, it is not recommended to use a three-claw hammer drill)X-SHAPED HEADIt features an X-shaped geometry with a cross-spline design for optimal disassembly and ease of use. Fully hardened drill bit with double flute spiral for efficient waste disposal.2 HOLE SHANK Round handle two slotted hammer drill bit Regular drilling tools for concrete, granite, stone It achieves optimal dust and debris removal with rounded spiral geometry, more efficiently. tungsten carbide is harder, stronger and more resistant to extreme loads.APPLICATIONSuitable for drilling holes in concrete, ceramic tiles, stone, wood, aluminum, plastic, concrete and multi-layer materials or For all drills with SDS-Plus holder such as Bosch, Makita, Hilti, Einhell, Kress and Dewalt and many others (SDS Plus drill only fits standard SDS Plus, not at SDS MAX)