Multi-purpose drill HEX-9 Multi Construction. Diameter: 3 mm, working length: 45 mm, total length: 90 mm. Pack of 1. Robust carbide center point for precise start and good drill control. Two spiral U-shape for standard life and good drill dust removal. Sharp diamond ground cutting edges for extra long life in almost all materials. 1/4 inch HEX shank for optimum power transmission with impact drills and cordless screwdrivers. Suitable for virtually all interior materials such as concrete, masonry, brick, eternit, lightweight construction materials, multi-layer materials, ceramics and tiles, wood, plastic, thin metal sheets, and aluminum. Optimal results in rotary and percussive drilling with impact drills. Thanks to the 1/4 inch hexagonal shaft, it can be used in materials such as masonry, aluminum, tile, wood, and plastic, and can also be used with cordless screwdrivers and cordless rotary impact drills with a 1/4 inch receptacle. Drill bit color: blue, bright ground.