After I put it to the test, Amana Tool's No File router bit exceeded all expectations. This innovation eliminates the need for time-consuming filing, resulting in a seamless finish in just one pass... The precision and smoothness of cuts it delivers are unmatched saving both time and effort. However, the bit could use a sturdier build for improved durability. Nonetheless, this game-changing tool is a must-have for any woodworking enthusiast..