Set of 9 drill bits: 5mm. 6mm. 6mm. 8mm. 8mm, 10mm, 12mm, 14mm, 16mm x 160mm. The drilling depth is 100 mm. You can use it to drill all common dowel holes. Carbide Drill Bits: The drill bit set is made of high quality carbide, which is durable and rustproof. The carbide drill head is harder, harder and more resistant to stress and tension. 2-hole shank: two slotted hammer drill bits with round handle with ordinary drilling tools in one red box for concrete , granite, stone. Efficient and optimal removal of dust and dirt thanks to rounded spiral shapes. X-shaped head: It features an innovative X-shaped geometry with a unique flute design for disassembly optimum and ease of use. Fully hardened drill bit with double spiral for efficient waste disposal. Application: Suitable for drilling holes in concrete, ceramic tile, stone, wood, metal, aluminum, plastic, concrete and multilayer materials. For all drills with SDS-Plus holders Product colour: silver Delivery quantity: nine pieces