Features: This 11pcs drill bit set features drill bits and chisels that effortlessly penetrate concrete, brick, and stone while maintaining durability through steel construction. Ensuring suitable for rotary hammer drills, while mechanism enable seamless between drilling and chiseling tasks. Ideal for construction professionals, contractors, and enthusiasts requiring for heavy duty concrete demolition, wall channeling, or home renovation projects demanding industrial. Tackle reinforced concrete structures, brick masonry wall, stone flooring installations, and road repair work with heat treated drill bits. Organized in shock resistant case, this rotary hammer accessory set combines professional durability with portability, ensuring drill bits stay protected during transportation and storage. Specifications: Component:Metal Size:Approx.49x10x5.5cm/19.29x3.94x2.17inch Package Includes: 11Pcs Hammer Drill Bit note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual of the item.