An inserter (100) for subcutaneous insertion of multiple transcutaneous parts (212, 222), the multiple transcutaneous parts at least comprising: —a first transcutaneous part (212) comprising a first body (214) from where a first subcutaneous part (216) extends, and —a second transcutaneous part (222) comprising a second body (224) from where a second subcutaneous part (226) extends, wherein the inserter comprises: —support means for guiding the multiple transcutaneous parts during insertion of the multiple transcutaneous parts, and —activation means for activating the inserter, whereby simultaneously insertion of the multiple transcutaneous parts subcutaneously in the patient's skin is initiated.