Merchandise display roller track having high structural rigidity

A display base for a merchandise display, comprising:

• a plurality of roller tracks disposed side by side, each roller track comprising a roller frame having longitudinally spaced apart pedestals extending vertically with reference to a plane of the roller frame on each lateral side of the roller frame, spaces between the pedestals defining roller receptacles, the pedestals each defining a top surface, a roller disposed in each of at least a portion of the receptacles;
• a plurality of longitudinally spaced apart, laterally extending first protrusions disposed on each lateral edge of the roller frame, spaces between the laterally extending first protrusions defining first openings, a bottom of each of the protrusions elevated from a bottom of the roller frame, a plurality of longitudinally spaced apart second protrusions extending laterally from each lateral edge of the roller frame, spaces between the laterally extending second protrusions defining second openings, wherein the first protrusions and the second protrusions are longitudinally and vertically offset from each other, a longitudinally extending rail affixed to the top surfaces of the pedestals on each lateral side of the roller frame, and an end cap disposed at each longitudinal end of the roller frame, the end cap comprising laterally extending features to engage one of the receptacles on each lateral side of the roller frame;
• and
• wherein the longitudinally spaced apart first protrusions on one of the plurality of roller tracks engage with the spaces between the longitudinally spaced apart first protrusions on at least one adjacent one of the plurality of roller tracks, the longitudinally spaced apart second protrusions on the one of the plurality of roller tracks engaged with the spaces between the longitudinally spaced apart second protrusions on the at least one adjacent roller track.