This versatile set includes various sizes to tackle different drilling tasks, from delicate precision work to heavy-duty applications.The titanium nitride coating enhances durability and reduces friction, allowing for smoother drilling and extended bit life，The bits feature optimized cutting angles designed to prevent walking and ensure clean, accurate holes in wood, metal, and plastic materials.Each bit is precision-engineered with a split point tip that eliminates the need for center-punching, enabling you to start drilling immediately