This router bit has exceeded my expectations in every way. When I tried it, I was impressed by how clean and precise the cuts were. The spiral design quickly removes debris, leaving a smooth finish. The bit is also very durable and has held up well after multiple uses. The only downside to this product is the price, but you get what you pay for. Overall, I highly recommend this bit to anyone in need of a high-quality cutting tool for their Industrial and Scientific projects.