Feature:1. HIGH CARBON STEEL MATERIAL: Made of premium high carbon steel material, this spoilboard bit has a strong body that can be used for a long time.2. 3 FLUTE DESIGN: The router bit's anti backlash 3 flute design allows for higher cutting rates and a longer flute life.3. FLUTE REPLACEABLE: You can replace the bit flute instead of replacing the whole bit, with 3 additional flutes in the package for convenient replacements.4. WIDE APPLICATION: Insert style spoilboard bit with a 12mm shank is suitable for reshaping spoilers, planing large plywood, surface finishing of wood, grooving or slotting, resulting in better performance, finer surface finish, and better 90 angle clearance.5. EXCELLENT PERFORMANCE: This router bit has a large chip space, effective chip removal, light cutting, and low milling resistance. Long lasting rust resistance, oil free storage are available for the black ti electroplating technology.Specification:Item Type: Insert Style Spoilboard Bit 12mm ShankMaterial: High Carbon Steel, Cemented Carbide Shank Diameter: Approx. 12mm / 0.47inCutting Diameter: Approx. 59mm / 2.32inCutting Knife Size: Approx. 12 x 12mm / 0.47 x 0.47in.Package List:1 x Router Bit 1 x Wrench3 x Spare Blade3 x Spare Screw1 x Storage BoxNote:There may be slight errors in size.