The Alpen 5pc Profi Multicut Drill Set with a 1/4" hex shank provides exceptional versatility and precision for a variety of drilling tasks. Ideal for precision rotary drilling in tiles, natural stone, metal, wood, and plastics, this set is perfect for both professionals and DIY enthusiasts. Versatile Application: Especially suitable for the locksmith industry, perfect for drilling into hard plates and faceplates on mortice locks and cylinders. Carbide Tip: Features extra sharp cutting edges, making them highly effective for drilling through metal. Patented 4-Step Profile: Facilitates fast drill dust removal when drilling into masonry and concrete, enhancing efficiency. 1/4 Hex Shank: Designed for use with impact drivers, allowing for quick and easy bit changes. Sizes Included: 4mm, 5mm, 6mm, 8mm, and 10mm. Organised Storage: Supplied in a sturdy, clearly marked case to keep the drills organised and easily accessible.