kwb 240290 SDS-Plus Hammer-Bohrer und Meißel-Set, 12-teiliger Stein-u. Betonbohrer Satz im Kunstoff-Koffer Chisel Piece Stone and Concrete Drill Plastic Case - - Amazon.com
Bosch Professional 1x Expert SDS plus-7X Hammer Drill Bit (for Reinforced Concrete, Ø 3,50x115 mm, Accessories Rotary Hammer Drill): Amazon.com: Tools & Home Improvement