Ledges are 4”H and act as a perimeter to retain shelf items and prevent anything from falling off.
Finishes:
Chrome - no extra letters, simply SL18, or SL24
Proform Green Epoxy - add "P" ex: SL12P
Grey Epoxy - add "GY" ex: SL18GY
Black Epoxy - add "BK" ex: SL24BK