Features MULTIFUNCTIONAL This insert slab flattening router head is versatile and can be used for resurfacing spoiler boards, planing large plywood, wood surfacing and finishing, grooving or grooving for better performance, finer surface finishes and better 90° angle clearance. Wide Application This insertion slab flattening cutter has a wide range of applications and can be used on tabletop, portable or CNC machines. Sturdy & Durable This insert slab flattener bit is made of excellent high carbon steel and hard alloy, which is sturdy and wear-resistant. It is not easy to be damaged and has a long service life. GOOD PERFORMANCE This inserted slab flattening cutter has good performance, large space for chips, good chip removal, light cutting and low milling resistance. 【4 Winged Design】This insert slab flattener cutter features a 4-wing design with anti-recoil for faster cutting speeds and longer blade life. Specification: Item Type: Spoilboard Surface Router Bit Material: high carbon steel, carbide Shaft diameter: approx. 12 mm/0.47 inches. Cutting diameter: approx. 2 inches/50.8 mm Cutting blade size: approx. 12 x 12 mm/0.47 x 0.47 inches. Package list: 1 x Spoilboard Surface Router Bit 1 x storage box. Note: There is a size error. Package List 1 x Spoilboard Surfacing Router Bit 1 x Storage Box