1.Superior quality: HighQuality YG6X carbide inserts ensure durability and a smooth cutting experience, making Tongue and Groove Router Bit Set stand the test of time in heavyduty use. 2.Robust design: The antikickback design provides higher stability and less vibration, ensuring during operation. Remember to clamp the tool to the 'min insert' line and keep RPM≤18000 for optimal results. Pushing slowly can help you get a smoother and cleaner cut. 3.Wide use: Suitable for various materials such as wood, MDF, particleboard, plywood, compact panels, and even acrylic. Not recommended for cutting metal or nonwood materials like steel or sand. Ideal for making tongue and groove joints, doors, cabinets, tables, woodworking projects, hardwood floors and Wainscotting. 4.Package content: The set includes 2 pieces of 1/2 inch Shank tongue and groove Router Bit Set, along with a detailed instruction manual. Tooth width: 1/2 inch, Shank Diameter: 1/2 inch. For use on table mount router only