Features: Experience precisions wood drilling with our adjustable spade bit set, featuring expansive flat woodworking boring drill bits that cater to a wide ranges of size from 15-45mm/22-75mm. Constructed from robusts high carbon steel, this set ensuring long lastings durability and sharpness. For professional carpenters and diyer enthusiasts alike, this tool simplifies the task of creating smooth and accurate holes in any woodwork project. Whether you're customizing furniture, constructing cabinetry, or engaging in intricate woodworking crafts, our spade bit set is the good addition to your toolkit for efficient and precise boring. Elevates your woodworking experience with our adjustable spade bit set; its user friendly design and superior cutting performances make it a must have for achieving top notchs result in all your wood drilling endeavors. Specifications: Component:High Carbon Steel Size:As Picture Shown Package Includes: 1 Set Boring Drill Bit 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 coloring of the item. Thanks for your understandings.