Designed in AISI 304 scotch-brite satin stainless steel, they are used to connect normal bases or the supporting side and create free spaces, which are usually employed to house wheeled hoppers.
In this case, the beams should be opportunely completed with double stainless steel guides to slide the hoppers while keeping them in the right position.

_______.___|_______With panel.______|_._With rounded off edges__||____Lids