TRINITY 4-Tier Heavy-Duty NSF EcoStorage Wire Shelving with Backstands: * NSF-certified * Chrome color * EcoStorage finish * EcoStorage represents eco-friendly production, no toxic chemicals are released into the environment during the production of this product * 4 commercial-grade 48" x 18" shelves * Weight capacity on wheels (evenly distributed): 150 lbs per shelf * Weight capacity on feet levelers (evenly distributed): 600 lbs per shelf * 4" x 1" swivel casters, 2 locking, 2 non-locking * Shelves adjustable in 1" increments * Includes backstands to ensure products do not fall off your shelves * Assembled dimensions: 18"L x 48"W x 77"H (with wheels)