includes: (2) 12 tracks,(2) stationary end kits (includes: (8) posts,(4) single sided overhead track support brackets and (8) foot plates),(4) mobile kits (includes: (16) posts,(16) track rollers,(8) tie bars,(16) donut bumpers,(16) rigid casters) and (24) 24" x 48" wire shelves,gray epoxy antimicrobial finish,NSF approved,Made in USA,shipped KD