Compatible with DCF850 and DCF850N drivers: Designed to fit these specific drivers for a precise fit, improving efficiency and reducing slippage during use. Alloy steel material: Made from strength alloy steel to resist wear and tear and provide long life under demanding conditions. Multipurpose usage: Suitable for woodworking and metalworking tasks, making this drill bit set a versatile addition to your toolkit. Userfriendly safety design: Nonslip handle and secure shank connection promote safe operation for both professionals and DIY users. Use scenarios: Woodworking: Drilling pilot holes for cabinetry, furniture assembly, or panel work where clean holes and reduced splintering are important. Metalworking: Drilling holes in aluminum or mild steel sheets and components for hardware installation or fabrication. General home projects: Installing shelves, fixtures, or hardware around the workshop or home with reliable performance.