two HM-equipped cutting edges with an inner radius in peripheral cutting execution, positive cutting angle, with a replaceable guide bearing (ø 9.5 mm) on the front side, for milling classic quarter rounds or profiles with a small edge, suitable for all solid woods, wood and panel materials, as well as some plastics, manual feed allowed, if you want to create a quarter round without a bead, we recommend the rounding cutter 3109, furthermore, you can simply replace the guide bearing with one that has A ø 12.7 mm