Foos 2 pcs / 2 sides, Solid router bit set. The Foos 2 sides router bits are designed to easily interchange router bit cutting edges. 1 Bit is a 60 & 90° V-groove. The 2nd Bit is a 15° Carving liner & 20° Profile. This set is designed for the pro wood-carver & obviously many other uses. 2 1/2” bits offer full length in order to flip the router bits and fit properly into the collet. Save money and try one of our 2 sided bits!