1. Multiple Sizes: This plug cutter drill bit set has different sizes of 5/8, 1/2, 3/8, 1/4 outer diameter, and multiple sizes. You can use it. The 4-inch can be immediately connected to power tools such as drill tables. 2.Multi-functional: This wood plug cutter drill bit is multi-functional, allowing you to securely fit plugs and drill hidden screw holes safely and seamlessly, adding a sophisticated touch to your woodworking joints. Gives a professional look. 3.Compact and lightweight: This metal straight wood plug cutter bit is small in size and lightweight, making it very convenient to carry and use, and easy to install. 4. Superior carbon steel material: This cork drill bit is made of superior carbon steel material, sturdy and wear-resistant, not easy to damage, long service life, and good wear resistance. equipped to ensure long life even with frequent use. Use. 5. Wide application: This cutting tool cork drill bit has a wide range of applications and can be used in the woodworking industry, home decoration, handicrafts, construction, decoration fields, etc. Specifications:Material: Carbon SteelDrill Bit Outer Diameter: 1/4, 5/8, 3/8, 1/2 Hexagonal shank diameter: 1/4 inchPacking list:Wood plug cutter 8 pieces