Crafted with precision and durability in mind, this set offers three cone-shaped bits designed to effortlessly create holes of different diameters without the need for multiple drill bits. The set includes three cone drills with the following diameter ranges: 4-12mm, 4-20mm, and 4-32mm. This comprehensive range caters to a wide array of drilling needs, whether you're working with wood, plastic, metal, or other materials. Each drill bit features high-speed steel (HSS) construction, ensuring durability and longevity even under demanding conditions. The titanium coating enhances durability, reduces friction, and ensures smoother drilling performance.