144 in x 117 11/16 in x 45 in, 11 1/16 in x 6 7/8 in, Mezzanine Stair Unit - 3NYH8|PK-STR-9 - Grainger
A storage platform mezzanine floor is exactly as it sounds, a mezzanine floor used for storage purposes only. It… | Mezzanine floor, Mezzanine, Steel stairs design