Locking ring vegetable grater attachment

We've been using our Jupiter machine regularly for 40 years, and it works flawlessly. The vegetable grater and all its parts are naturally subject to wear and tear, so we've since replaced all of them.
We're thrilled that all of the pieces are still available today. That's what we call sustainable. Thank you for that.

Everything went perfectly!

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I sent all the parts back because the endpaper didn't fit.
No answer after 4 phone calls.
I had email contact, but I didn't hear anything again.
In the end, everything worked out really well. I had the money in my account a little late, but without any complications.
All the employees were courteous and friendly, so I immediately ordered a new machine. We've been happy with our old Jupiter for decades.
I recommend Jupiter with 5 points

I sent all the parts back because the endpaper didn't fit.
No response so far after at least 4 phone calls.
I had email contact with Ms. Holder, but I haven't heard from her since.

Unfortunately, the locking ring is quite expensive for a replacement part. But I wouldn't want to be without my practical Jupiter grinder, and after many years of hard use, the locking ring is bound to break.