The DEWALT 21-piece drill bit set features titanium nitride coating for reduced friction and increased durability, ensuring long-lasting performance. Its Pilot Point design prevents bit walking and offers precision drilling, while the tapered web construction enhances strength to prevent breakage. The no-spin shank ensures a secure fit in the chuck, and the set includes a variety of sizes (1/16" to 1/2"). Conveniently stored in a durable case, it's perfect for drilling wood, metal, and plastic, providing versatility for all your projects.