It should fit. The shape of the housing is the same as that of the other models.

Yes, the 300 series is compatible with this accessory. See the link: https://www.dremeleurope.com/specials/which-tools-fit-which-attachments/en-gb/.

laut diesem link https://www.dremeleurope.com/specials/which-tools-fit-which-attachments/en-gb/ ist dieses Produkt mit dem Dremel Stylus NICHT kompatibel.