two HM-equipped cutting edges with an inner radius in peripheral cutting design, positive cutting angle, with interchangeable bearing (ø 9.5 mm) on the end face, 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 is allowed, if you want to create a quarter round without a bead, we recommend the rounding cutter 3109, furthermore, you can also easily swap the bearing for one with A ø 12.7 mm