Features: This four flute router bits set delivers excellent cutting efficiency with 40% reduced resistance, eliminating chatters and edges chipping for high speed accuracy finishing on wood, middle density fiberboard, and composite boards, making it ideal woodworking tools. Featuring three arced sizes in a single set for versatile corner operations without tool changes, it boasts optimized geometry for laminates and synthetics, add an 8mm common shank for compatibility with machines and handheld routers. Designed for professional woodworking shops and craft enthusiasts, these milling cutter provide efficient performances for intricate projects requiring accuracy and ease of use. Perfect for creating smooth curves on furniture edges and decorative moldings, this set highlight in applications like furniture production and wooden craft manufacturing. Constructed from sturdy carbides or high speed steel, these router bits offer enhanced wear resistance and heat tolerance, ensuring long lasting use in demanding woodworking environments. Specifications: Materials: Metal Shank Diameter: 8mm/0.31inches Size:(56x22mm/2.2x0.86inches), (56x24mm/2.2x0.94inches), (56x26mm/2.2x1.02inches) Package Includes: 3Pcs Four-Edges Fillet Milling Cutter note: Please allow 1-2cm error due to manual measurement. Please make sure you do not mind before you bid. Due to the differences between different monitors, the picture may not reflect the actual color. Thanks!