Round over bit is used to create round over edges and soften sharp corners on wooden boards, providing a decorative finish and reducing the sharpness of edges.Roundover router bit can be used on a variety of woodworking projects, such as furniture, cabinets, and trim work. They are especially useful for creating smooth and consistent edges on large boards, such as tabletop or shelves.Corner router bit is made of carbide cutting tip and tungsten steel body, can easily make a smooth edge surface of wood, can be used for a long time.Edge router bit can be used on portable and desktop woodworking engraving machines, suitable for hardwood, softwood, plywood, MDF, particle boards.Note: Cannot be used on metal, stone, sand and non wood materials.