As someone who works in the industrial and scientific field, I have had the opportunity to use various cutting tools.According to my experience, this router bit is a must-have for precision cutting. The grinded 12mm blade diameter allows for smooth and effortless cuts. The efficiency of this tool has saved me a lot of time in my work. The only downside is that it may be a bit pricey compared to other similar products in the market. overall, this is a great investment for anyone looking for a quality router bit..