K30 rubber foot ALSO Bag Holder grommet for Guatemala // K 3 - 509 // 4
This part also shows up on some K30 and K30 Twins for base foot. It also fits on the knocker arm of the EK43 and numerous other places on other grinders like the VTA. NOTE: this is an individual piece, not part of a set.
ALSO SEE small parts set 308388