1.TitaniumCoated for Durability: The Step Drill Bit for Wood features a titanium coating that enhances its durability, allowing it to withstand prolonged use and resist wear and tear. This coating also helps reduce friction, ensuring smoother drilling and improved performance, especially in tougher materials like wood and sheet metal. 2.Versatile Set of 6 Step Drill Bits: This set includes six different step drill bits, providing a range of sizes for various hole drilling applications. Whether you're working with wood, sheet metal, or other materials, these bits allow you to drill precise holes with ease, making them suitable for both professional and DIY projects. 3.Serrated Edges for Precision: Each drill bit in the set is equipped with serrated edges that help to create clean, precise holes. The serrated design prevents the bit from slipping and ensures a smooth, accurate cut, making it ideal for drilling through wood, other materials, or metal without causing splintering or jagged edges. 4.Fits Most Electric Drills: These step drill bits are designed to be compatible with most electric drills, making them versatile and easy to use. Simply attach the drill bit to your electric drill, and you'll be able to tackle a variety of drilling tasks quickly and efficiently, whether you're working on a DIY project or a professional job.