Shaper Tools ¼" X 1½" Up-Spiral O-flute Router Bit is specifically engineered for making deep cuts in non-ferrous metals and acrylic with precision and efficiency. Its polished O-flute design effectively resists chip adhesion, ensuring clean and smooth cuts even in challenging materials. This router bit is suitable for a wide range of non-wood materials, providing versatility for various applications. Model Number: SE1-2500-1500C