The Freud Dia Multi Profile Shank is a game-changer for carpentry enthusiasts. Based on my experience, this set of cutting tools is versatile and efficient in completing complex router tasks. It cuts through different materials, leaving a smooth and precise finish. The variety of profiles allows for flexibility in creating unique wood designs. However, the bits may dull more quickly than expected and require frequent sharpening. Overall this tool is a must-have for professional woodworkers and DIY enthusiasts. .