Features 12mm Shank: This router features a standard 12mm shank and can be directly installed on CNC routers, hand routers and table routers. INDUSTRIAL QUALITY: The spoilboard surface cutter is made of high carbon steel, which has higher strength and durability and a longer service life. CARBIDE BLADE: With a unique 2 plus 2 indexable blade design, the bottom of the cutting surface is smoother. With 4 cutting edges, the user can rotate the blade if one side becomes dull. EFFICIENT CUTTING: The wood planer has a screw locking and provides ample chip space for effective span removal, easy cutting and low milling resistance. PERFECT APPLICATION: Ideal for re-laying spoilboards, planing large plywood and wood surfaces, as well as fine machining and grooving with better performance, finer surface finish and better 90° angle clearance. Specification: Item Type: Spoilboard Surface Milling Cutter Material: carbon steel, carbide Shaft Diameter: Approx. 12mm/0.47inch Cutting diameter: approx. 45 mm/1-3/4 inches Cutting blade size: approx. 12 x 12 mm Package list: 1 x Spoilboard Surface Cutter 1 x Storage Box Note: There may be slight size errors due to manual measurement. Package List 1 x Spoilboard Surfacing Router Bit 1 x Storage Box