This DeWalt Extreme Impact Masonry Drill Bit Set is designed for use with impact drivers and combi drills, making it suitable for a wide range of drilling tasks. The bits are engineered for drilling into masonry, concrete, brick, PVC, wood, and multi-layer materials. Each bit features a durable carbide tip for faster drilling and extended longevity. The set includes five drill bits in sizes 4mm, 5mm, 5.5mm, 6mm, and 8mm, all equipped with quick-change hex shanks for user convenience. DeWalt's innovative flute design efficiently removes waste material, enhancing drilling performance and efficiency. These impact-ready bits are ideal for engineers in construction, joinery, and maintenance applications.