The tool retainer and the operating tool (14) are provided with at least two matching, corresponding form elements (22, 24) in order to simplify mounting of the operating tool (14).

• 本发明提出：该刀夹及插接式刀具(14)具有至少两个彼此匹配的、相对应的造型部分(22，24)，用于简化插接式刀具(14)的安装。