As an industrial worker, I have tried numerous router bits but none offered the precision that these bits do. As my tests showed, these bits are not only made of durable materials but also are machined to perfection which makes them ideal for any cutting job. Definitely an excellent choice for any professional looking for quality high-performance router bits .The only drawback is that they can be a bit pricier than other brands, but the investment is definitely worth it. As it is an essential tool for my works, it has been a pleasure using these bits for all my woodworking projects. Highly recommend it for industrial and scientific professionals!