General description 8mm Shank Wood Router Bit with 4 Blades is a versatile finishing pattern template router bit set designed for precision wood cutting. This set includes three router bits with varying cutting heights and diameters, making it suitable for a wide range of woodworking applications. Technical specifications Shank diameter: 8mm Cutting heights: 30mm, 40mm, 50mm Cutting diameters: 14mm, 16mm, 16mm Material: High quality C3 micro grain carbide with Teflon coating Compatibility and accessories Compatible with CNC and other automatic routers Suitable for portable and table-mounted routers Usage Ideal for edging, trimming, punching, and grooving on various woodworking projects Used for wood cutting, lining, graining, and grooving Other information Features a sealed ball bearing for smooth operation and precise cuts Anti-kickback design for safe and clean cutting Professional woodworking tool with three types of cutting heads for different applications