Universally 8mm Shank Features a standard 8mm shank suitable for most engraving machines, trimmers, electric routers, and wood routers Ensures secure installation and strong versatility for different tools Smooth Double R Corner Design The double R corner designs delivers rounded, smooth cutting surfaces without chipping or burrs Achieves refined finishes that not require secondary polishing Precisions Cutting for Woodworking Specially designed for wood opening, carving, and routing with shape for smooth cutting Perfect for various engraving, shaping, and grooving tasks with excellent forming effects Stable Flat Bottom Grooving The flat bottom structure ensures consistent grooving depth and neat edges, ideal for straight grooves, shaped grooves, and joint grooves in woodworking projects Hard Alloy Made from high hardness hard alloy for sharpness, wear resistant, and impacts resistant Stays cool during prolonged cutting and maintains long lasting sharpness, Manufacturer: Tsophreniq