Set of 9 rotary drill bits for hammer drill: 5mm, 6mm, 6mm, 8mm, 8mm, 10mm, 12mm, 14mm, 16mm x 160mm. The length of the drill bits is 100 mm, so you can drill all common dowel holes. (In order to protect your machine and personal safety, please do not use a three-claw hand drill to drill holes) material: The rotary hammer drill bit set is made of carbon steel. High quality carbide, durable and rust-proof. The tungsten carbide tipped drill head is harder, stronger and more resistant to extreme loads. Cross Drill Bits with X-shaped with transverse groove for optimal disassembly and ease of use. Fully hardened drill bit with a double flute spiral for efficient waste removal. SDS-Plus Shank 2-hole SDS-Plus impact drill bit for concrete, granite, stone. It provides optimal removal of dust and debris thanks to the rounded spiral geometry, more efficiently. Wide uses and applications: suitable for drilling holes in concrete, ceramic tiles, stone , wood, metal, aluminum, plastic, concrete and multi-layer materials. Suitable for all drills with SDS-Plus holder such as Bosch, Makita, Hilti, Einhell, Kress and Dewalt and many more. (Note: SDS Plus drill bit only fits standard SDS Plus, not SDS MAX) Note: The data is all measured manually, please allow 1-3cm error due to differences Due to light and display, there may be some color differences, please refer to the actual item received.