1、BIT SPECIFICATIONS: Insert type spoilboard bit, with 8mm shank, 1‑1/4 inch cutting diameter, 12x12mm blade size, ensuring accurate and reliable operation. 2、HIGH CARBON STEEL: The spoilboard bit is made of excellent high carbon steel, which has high strength and good durability, greatly extending its service life. 3、STANDARD 8MM SHANK: This spoilboard router bit has a standard 8mm shank, easy to install, can be used for desktop router, handheld router, or CNC machine. 4、3 CUTTING BLADES: The insert spoilboard router bit adopts 3 flute design with 3 cutting blades and anti backlash design to ensure faster cutting speed. 5、MULTIPLE USAGES: This 3 flute router bit is suitable for planing wooden board, cleaning the bottom, and slotting, and used for various woodworking projects. 6、GOOD PERFORMANCE: The router bit adopts screw locking, with a large chip space, fast chip removal, and low milling resistance, ensuring stable and reliable operation.