1、Wide Application: This insert slab flattening router bit has a wide range of applications and can be used on benchtop, handheld or CNC machines. 2、4 Wing Design: This insert slab flattening router bit features a 4 wingdesign with anti recoil for faster cutting speeds and longer blade life. 3、Sturdy And Durable: This insert slab flattening router bit is made of excellent high carbon steel and hard alloy material, which is sturdy and wear resistant. It is not easy to be damaged and has a long service life. 4、Multifunctional: This insert slab flattening router head is versatile and can be used for resurfacing spoiler boards, planing large plywood, surfacing and finishing wood, grooving or slotting for better performance, finer surface finishes and better 90° angle clearance. 5、Good Performance: This inserted slab flattening router bit has good performance, large chip space, good chip removal, light cutting and low milling resistance.