High Quality, Precision Machined Stainless Steel Blade Provides Clean And Precise Cuts On Wood. Quality.Made Of Tungsten Steel. It Is More Durable At High Temperature And Easier To Evacuate Chips; The High-Speed Steel Body For High Hardness, Wear-Resistant And Heat-ResistantV-Shaped Routing Grooves, Ideal For Making Wall Panels; Use On Cnc Routers And Other Automatic Routers As Well As Hand-Held And Tabletop Routers. Mainly Used For Acrylics And Plastics, Carbon Fiber, Particleboard, Laminate Veneers, Mdf, Pcb, Solid Surfaces, Wood And Wood. The Grooving Cutter Is Ideal For Grooving Many Parts In Woodworking Projects.Produced From Tungsten Steel And Finished Very Thin Like A Mirror For Greater Precision In Shank SizeWith The Use Of High Frequency Welding Comes Exceptional Longevity, Little Chance Of Breaking