two HM-equipped cutters with an inner radius in peripheral cutting design, positive cutting angle, with a replaceable support 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 allowed, if you want to create a quarter round without a groove, we recommend the rounding cutter 3109, furthermore you can simply replace the support bearing with one that has a ø 12.7 mm