These are carousel divider walls and retainers for the National 430 and 431 cold food vending machines.  For each item you purchase, you will receive (1) wall and (1) retainer. 

These parts are used, but are in good condition.

The manufacturer part numbers for these parts are (listed oldest to newest from left to right):

Divider wall: 4307035, 112155

Retainer: 4307036, 106388

Shipping is free for additional items purchased in addition to the first one!