Features: Professionally engineered for wood drilling applications, this 6 piece extended length auger drill bits set effortlessly penetrates thick wooden doors and boards with accuracy, crafted from premium wear resistant steel. Featuring anti jamming design and extended shaft, these bits minimize slippage and binding during deeply drilling tasks, ensuring smooth operating across solid wood, plywood, and laminated surfaces. Ideal for carpentry, renovation contractors, and enthusiasts requiring reliability tools for furniture assembly, home improvement projects, or intricate woodcraft creating. Perfect for installing door hardware, constructing cabinets, or creating ventilation holes in dense wood structures where standard drill bits fall short. The versatile 6 piece set covers multiple depth requirements, combining industrial grade durability with ergonomic efficiency to streamlined woodworking tasks while reducing tool change frequency. Specifications: Materials: Steel. Size: 230x20x20mm. Weight: 880g. Specifications: 6mm/8mm/10mm/12mm/16mm/20mm. Package Includes: Extended Brachio Diamondx 6 note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you will not mind before you order. 2.Due to the differences between different monitors, the picture may not reflect the actual color about the item.