3-piece core box router bit set, 1/2 inch shank, with diameters of 3/4 inch, 1-1/4 inch, and 1-5/8 inch. Round nose router bit set made from high-hardness alloy material for fast cutting speed, strength, and durability. Features high-quality C2 carbide blades for sharper cutting edges and extended service life. Solid hardened steel body with anti-rebound design and heat-resistant coating. Ideal for cutting solid wood, particle board, plywood, MDF, and various wood composite materials. Suitable for CNC machines and other automatic routers, including woodworking engraving machines. Perfect for woodworking tasks such as edge trimming, grooving, beading, and decorative applications. Industrial-grade carbide router bits designed for long life and excellent wear resistance. Capable of creating columnar and semicircular grooves in wood materials. Color: Blue + Red Material: Cemented Carbide Package Contents: 1 set of round nose router bits (1 x 3/4 inch (red), 1 x 1-1/4 inch, 1 x 1-5/8 inch) Note: The package includes only the items listed above. Other accessories are not included. Note: Lighting and display differences may cause slight color variations between the image and the actual product. Measurement tolerance: +/- 1-3 cm.