Precision Size 8mm Shank CNC spoilboard surfacing , 51mm cutting diameter, 12.7mm cutting height. Premium Material Made of microcrystalline carbide inserts and solid hardened steel body for superior wear resistance and sharp edges, precise cutting reduces debris and burrs, and has an anti-backlash design. High-precision grinding technology, stable and efficient. Multi-Function 4 blades allow you to quickly and cleanly cut your project material, clears the surface of your spoilboard or Creates a base surface that is perpendicular to the router motor, also suitable for trimming and slotting / grooving. Can use to flatten live edge boards too large to go through planer, great for projects of any level of complexity. Widely Applications These s suitable for cutting solid wood, particle board, plywood, MDF and different wood composites. (Avoid cutting black metal and non-wood materials such as steel, iron and sand). Applicable Machines Suitable for CNC and other automatic routers as well as hand-held and table-mounted portable routers. wood engraving machines, trimming machines, etc. Features: Designed for desktop engraving machines (such as CNC hand-held and table-mounted router), it can not be used in electric drill & amp; drill machines. Exquisite woodworking cutter, precise, smooth, no burr edges planer . 4 wings make a fast and clean cut on your project material, great for projects of any level of complexity. Great for hand-making and other woodworking job - Our plaining s are the preferred choice of professionals and hobbyists alike, with these bits, one could make floor, cabinet door etc. Good for home and improvement. Specification: Blade Material: YG6 Carbide Alloy Body Material: 45 Carbon Steel Cut Diameter: 51mm Cut Height: 12.7mm Overall Length: 64mm Package Includes: 1pcs x 8mm Shank Surfacing Router Bit Safety Instructions: 1. The item is only for industrial cutting / engraving. 2. When not in use, please put in the plastic box. 3. Use range suitable for hardwoods, particle board, MDF, plywood compact panel, acrylic; Avoid cutting ferrous metal and non wood materials, iron, etc. 4. Please wear good protective measures.