Features: This 6 piece step drill bits set offer multipurpose drilling, reaming, and slotting capabilities for wood, aluminum, plastic, and thin metal sheets, making it ideal for versatile workshop applications. Crafted from rustproof coated bearing steel with triangular shank design, these bits ensures secure grip in power tools while resisting wear and corrosions for extended service life. Perfect for woodworkers, DIYer enthusiasts, and home repair hobbyists seeking professional performances in cabinetry, furniture assembly, or light metal fabrication projects. Effortlessly create clean holes in shelves, electrical enclosures, or craft materials with the tapered design that reduces friction and prevents materials splintering during operations. The graduated sizingprovides precise control for incremental hole expansion, while the compact case organizes all bits for quick access during complex drilling tasks. Specifications: Component: Steel Package Box:Black ,White Package Includes: 6pcs Step Drill Bit note: Please allow 1mm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual color of the item.