Features： 1、Steel Material: Made from refined steel, this drill bit set is highly durable with wear and erosion resistance, ensuring long lasting performance. 2、Six Piece Set: This drill bit set includes three twist drill bits and three spiral step drill bits, each with different sizes, catering to various drilling needs in daily applications. 3、Triangular Shank: Featuring a unique triangular handle design, this drill bit set allows for better grip and convenient operation, enhancing work efficiency. 4、Versatile Material Compatibility: Designed to automatically deburr various materials during drilling, this set is suitable for drilling into soft steel, aluminum, copper, soft alloy steel, wood, and plastics. 5、Wide Application Range: Ideal for home DIY projects, general construction, and engineering purposes, this drill bit set is widely applicable for everyday use in homes and workplaces. Specification： Item Type: Drill Bit Set Material: Refined steel Weight: Approx. 262g/9.2oz Package List： 6 x Drill Bit