As a result of my tests I determined that this router bit is an excellent cutting performer. The Spoilboard Flattening Woodworking Replaceable ROOCBIT delivers a smooth AND precise cut every time .The carbide tips are durable and replaceable, ensuring that you get long-lasting use from this bit. The only con I can think of is that it is on the pricier side compared to other router bits. However, i believe the quality and precision make it worth the investment..