Up to 5x more precise than a Bosch CYL-3 Drill Bit. Accurate drilling is easier with Bosch Centering Geometry. Hex shank for a strong connection and maximum torque transmission in three-jaw chucks and ¼" internal hex tool holders. Ideal for drilling holes into multiple materials; can be used in impact mode on concrete and stone, and on rotary setting for brick, soft ceramic tile, sheet metal, wood and plastic. Scope of delivery: Bosch EXPERT HEX-9 Multi Construction Drill Bit, 8x200x250, Weight: 0.12345886672 pounds, Manufacturer: Bosch