Plastic storage box with 5 Irwin Joran multi-material drill bits: 4, 5, 6, 8, and 10 mm. The multi-material drill bits are designed for drilling into various materials, including brick, lightweight concrete, drywall, ceramic tiles up to hardness level 9, steel sheet, wood, plastic, and marble. The single-wall design provides maximum space for dust extraction: up to 15% speed advantage over competitors and 10% more holes per battery charge. The drill bits feature a unique sharpened tip. The hardened carbide tip has a four-sided design for excellent centering properties and perfect hole quality. Drilling tips: 1. Slow-running drill 2. High pressure 3. No hammer function. These storage boxes often have a crack in the transparent lid; therefore, we can only exchange boxes with significant damage for free. This applies, for example, to boxes with a broken lid.