This tongue and groove bit is fantastic for woodworking projects. I love that it created a seamless joint that was smooth and precise every time. Through trial and error, I found that the bits are durable and withstand frequent use. The design of the bit made it simple to use and produce a flawless finish. Although the price tag was a bit high, I believe it is worth it for the quality and the job it accomplishes. Overall, I highly recommend this industrial and scientific router bit to add toβ¦