There should be five drums with your attachment, numbered 1 to 5.
Drum No 1 - For fine shredding :- chocolate, nuts, carrot and cheese.
Drum No 2 - For coarse shredding :- chocolate, nuts, carrot and cheese.
Drum No 3 - For thin slicing :- onion, cabbage, cucumber, carrot, apples, potato and chocolate.
Drum No 4 - For thick slicing :- onion, cabbage, cucumber, carrot, apples, potato, chocolate and beetroot.
Drum No 5 (Rasping drum) - For grating parmesan cheese and potato for German potato dumplings.