Features: Engineered for precise and efficiency, this extended length multi tooth woodworking boring bit effortlessly penetrates thick lumber up to inches while maintaining smooth, with its optimized tooth configuration. Crafted from hardened steel with a flat wing design, the multi tooth drill bit ensures superior stability during operations and extended durability for repeated use in demanding woodworking projects. Ideal for both professional carpentry and DIYer enthusiasts seeking reliabled performances in cabinetry, furniture assembly, and structural wood joinery applications. Perfect for creating clean bore holes in hardwoods, softwoods, and composite materials when installing door hardware, constructing shelves, or building outdoor wooden structures. The innovative tooth geometry minimizes binding, while the extended shank maintains compatibility with standard electric drills and manual for versatile workshop applications. Specifications: Component: Steel. Size:As Picture Shown Weight: 26g. Specifications: 8mm, 10mm, 12mm, 14mm, 15mm, 16mm, 17mm, 18mm. Package Includes: 1pcs Multi Tooth Boring Tool note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you donot mind befores you order. 2.Due to the differences between different monitors, the picture may not reflect the actual color. Thanks for your understandings.