Not suitable for the (new) 2019 Robur S and Major V models.
Complete hopper including the lid, hopper, collar and fixing screw for the Major, Robur, Royal and Stark model grinders, be it the Automatic or Electronic version.
Although they look similar, the Kony version has a shorter mount, and they are not interchangeable. The screws for holding the collar to the body of the grinder are unavailable as a separate item.