two HM-equipped cutters with an internal 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 rebate edge, suitable for all solid woods, wood and panel materials, as well as some plastics, manual feed is permissible, if you want to create a quarter round without a rebate, we recommend the rounding cutter 3109, furthermore, you can also easily swap the support bearing for one with A ø 12.7 mm