Solid Carbide 1-Edge Spiral Bit for cutting, copying, panel sizing and any routing applications in solid wood, or wood composites, plastic materials and laminates. High feed speed on well-clamped workpiece. Can used on maching centres, point to point machines, CNC routers and hand-held routers equipped with chucks or adaptors. Premium quality super-micrograin carbide, upward chip ejection and an excellent finish on the lower side of the workpiece. 3/8-Inch Cutting Diameter and 3/8-Inch Shank.