1. Wear-resistant carbon steel: The taper plug cutter set is made of superior carbon steel with good wear resistance, ensuring a service life even with frequent use2 . AND SMOOTH: The cork fits securely, and the pre-drilled latent screw holes are secure and seamless, making the joining smoother and more professional looking3. 4 Outer Diameters: The taper plug cutter comes in 4 different outer diameters: 5/8, 1/2, 3/8, and 1/4 to accommodate different sizes4. UNIVERSAL HANDLE: The plug cutter comes with a hexagonal handle, 1/4 inch in diameter, which can be used to access the excavation floor of the power tool at any time, making it very versatile5. Easy : The wood plug cutter bit makes it easy to attach it to your drill and cut the plug. Say goodbye to complicated processes and enjoy smooth and resultsSpecifications:Item Type: Tapered Plug Cutter SetMaterial: Carbon Steel Drill outer diameter: 1/4 inch, 5/8 inch, 3/8 inch, 1/2 inchHex shank diameter: 1/4 inchColor: Silver How to use: Connect to power tools. Packing list:4 x Tapered plug cutter