Features HIGH CARBON STEEL MATERIAL: Made with premium high carbon steel material, this spoilboard bit has a sturdy body that can be used for a long time. 3 FLUTE DESIGN: The 3 flute anti-reverse design of the router bit allows for higher cut rates and longer flute life. REPLACEABLE FLUTE - It can replace the flute of the drill bit instead of replacing the entire drill bit, with extra 3 flutes in the package for convenient replacements. WIDE APPLICATION: The insert style spoiler board bit with 12mm shank is suitable for reshaping spoilers, brushing large plywood, wood surface finishing, slotting or slotting, resulting in better performance, finer surface finish, and better clearance at 90° angle. EXCELLENT PERFORMANCE: This router bit has large chip space, effective chip removal, light cutting and low milling resistance. Black Ti electroplating technology offers long-lasting rust resistance and oil-free storage. 1. HIGH CARBON STEEL MATERIAL: Made with premium high carbon steel material, this spoilboard bit has a sturdy body that can be used for a long time. 2. 3 FLUTE DESIGN: The 3 flute anti-kickback design of the router bit allows for higher cutting speeds and longer flute life. 3. REPLACEABLE FLUTE - It can replace the flute of the drill bit instead of replacing the entire drill bit, with extra 3 flutes in the package for convenient replacements. 4. WIDE APPLICATION: The insert style spoilboard bit with 12mm shank is suitable for remodeling spoilers, brushing large plywood, wood surface finishing, slotting or grooving, resulting in better performance, finer surface finish, and better clearance at 90° angle. 5. EXCELLENT PERFORMANCE: This router bit has large chip space, effective chip removal, light cutting and low milling resistance. Long-lasting oxidation resistance and oil-free storage are available for black ti electroplating technology. Specification: Item Type:Insert Style Spoilboard Bit, 12mm Shank Material: High Carbon Steel, Cemented Carbide Shank diameter: approx. 12 mm / 0.47 inches. Cutting diameter: approx. 59mm/2.32 inches Cutting knife size: approx. 12 x 12 mm/0.47 x 0.47 inches. Packing List: 1 x router bit 1 x key. 3 x Spare blade 3 x Spare Screw 1 x storage box. Note: There may be small errors in size. Package List 1 x Router Bit 1 x Wrench 3 x Spare Blade 3 x Spare Screw 1 x Storage Box