When I tried this router bit for my woodworking project, I was pleasantly surprised with its exceptional precision. The keyhole slot design made it effortless to create precise grooves and joints .It`s perfect for both novice and professional woodworkers. The bit is durable and perfect for repeated use. One con that I faced was that the product was a bit overpriced. Overall, I would highly recommend this product to anyone who is looking for quality routing solutions in Industrial and Scientific cutting tools..