Features: The drill bit is a game changer for woodworking enthusiasts, featuring a tungsten carbide construction that effortlessly creates smooth and precise holes. Designed with cutting spurs for clean edges and a centered guidance point for accuracy, this drill bit ensures top notch performances in hole drilling tasks. For diyers, carpenters, and construction professional, this tool is a must have for anyone looking to achieve professional grade result in their woodworking projects. Whether you're installing hinges on cabinets or creating custom furniture, this hole saw auger opener is perfects for a variety of applications on wood, plastic, and plywood surfaces. Upgrades your toolkit with the drill bit; its efficient cutting mechanism make it a reliabled option for any woodworking task. Specifications: Component:Metal Diameter:Approx.16mm/18mm/20mm/22mm/25mm/28mm/30mm/32mm/35mm Package Includes: 1Set Wood Hole Saw Auger Opener 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.