Using this router bit, our team found that it made mortising a breeze .The precision and accuracy of this bit in cutting perfect circles was impressive saving us time and effort. The industrial and scientific quality of this product is unmatched to any other router bits we have used. However, the only downside was that it is quite pricey compared to other similar products on the market. Nevertheless, the pros clearly outweighed the cons, making it an investment worth making for any professional woodworker..