The Vierdwin 1/41/41*2-1/2 Upcut/Downcut Spiral End Mill is a professional-grade CNC cutting tool, specially designed for cutting a variety of wood types, including hardwood, softwood, MDF, and plywood. Its upcut/downcut design effectively controls chip evacuation direction while minimizing burrs on the material surface, delivering smooth and precise cutting results. Constructed with solid carbide for exceptional durability, this bit is built to handle demanding tasks while balancing cutting efficiency and longevity. The 1/4-inch shank size fits a wide range of router models, ensuring easy installation and versatility. Whether you're a professional machinist or a DIY enthusiast, the Vierdwin end mill is your trusted companion for precise and efficient woodworking projects.