3Pcs T 4-Blade Router Bits: Cutting Thickness 6.35mm, 8mm,10mm, Shank: 8mm. Alloy Material: Tungsten carbide material, baked with heat-resistant coating, it can prevent the accumulation of sawdust, resin and asphalt. Ball Bearing Guide: Top bearing design which makes the work more effcicent. Suitable for solid wood, MDF, particle board, plywood, etc. Multiple Uses: With these tabs, you can create beautifully handmade furniture. It is ideal for kitchen and bathroom doors, office cabinets, floor tables, bedroom shelves, exterior frames, walls and more. Note: The data are all measured manually, please allow 1-3cm error Due to differences in light and display, there may be some color differences, please refer to the actual item received.