High precision and high strength – Made of strong, durable tungsten carbide, this high-quality router bit ensures professional and ultra-precise machining on wood. Long working life – Clean cutting, smooth rotation, fast operation, high hardness, and good wear resistance significantly extend service life. Anti-kickback solid design – Steel body with hardened construction and balanced anti-kickback design, equipped with high-quality guide and bearings. Stem diameter: 8 mm – Blade diameter: 12 mm; Blade length: 13 mm. Usage – Ideal for woodworking and handcraft applications; suitable for MDF, solid wood, particle board, wooden door frames, window frames, cabinets, and boxes. Features: Stable performance, high efficiency, flush trim pattern router bit with top and bottom bearings. Carbide-tipped construction with micro-grain grade for increased strength and superior resistance. Heat-resistant coating helps prevent buildup of wood chips, resin, and adhesive. Specifications: Material: Carbide Tipped; Blade Lengths: 13 mm, 20 mm, 25 mm; Colors: Black, Yellow, Blue Package included: 3 sizes x Grooving Cutter