Features: Flush Trim Bit: The flush trim bits of the router bit set are to be used on laminates plywood soft and hardwoods or composites to create smooth cutting surfaces. Excellent Quality: The flush trim router bits industrial-grade carbide tools adopt a carbide cutter head and a carbon steel body. They are of high hardness are not easy to bend are of excellent quality and have a long service life. Multiple Choices: There are 2 different purchasing choices for you. There are a 1/4'' shank top bearing flush trim router bit set and a 6 mm shank top bearing flush trim router bit set. You can choose according to your needs. Simple to Use: The flush trim router bit set including 4 pieces of flush trim bits in different cutting diameters is very easy to use. It has a simple design but a useful function. Easy for woodworkers to use. Widely Used: The flush trim router bits have a wide range of applications. It can be widely used for laminate particleboard plywood compact board acrylic etc. It is not suitable for cutting metal and non-wood materials. Specifications: Material: YG8 Alloy 45 Carbon Steel