About this item [Main function] Cutting, edge processing, grooving, three-dimensional back angle, splitting [PTFE coating] Heat-resistant PTFE coating, prevents the accumulation of wood chips, resin and asphalt, good wear resistance, very durable [Universal knife handle] 6.2mm knife handle, widely used in portable handheld and desktop routers. [Anti-kickback] Blade is razor-sharp and smooth, with an overall hardened steel body with anti-kickback design for cutting, 3D relief, splitting [Door for] woodworking, hardwood, particleboard, MDF, acrylic; Applicable models: Engraving machine, trimming machine. Features: Good welding quality, stable quality, and high efficiency. The upper and lower bearings of the knife are flush. Tungsten carbide tip - Micro-grained quality provides greater strength and maximum rigidity. Baked-on, heat-resistant PTFE coating resists wood dust, resin, and asphalt deposits. Specifications: Material: Carbide head Handle diameter: 6.2 mm Handle Yellow Package includes: 4 carpentry size X Happy encounter,"