This Member's Selection wire shelving has an industrial strength steel wire construction for multipurpose storage, dimensions are 48" x 18" x 72". Zinc coating provides the corrosion resistance needed in dry environments. Certified by NSF to NSF / ANSI Standard 2 - Food equipment for use in dry environments. Wheels allow for easy positioning in kitchen, garage or office Shelves adjust in 1" increments. Includes 4 wheels (with 2 locks) and leveling feet. No tools are required for assembly. Additional Details: Capacity in leveling feet: 800 lbs. per shelf - Total system capacity in leveling feet: 4000 lbs - Total capacity of the system on wheels: 500 lbs. - Inside the box: 4 pairs of posts (1 ""diameter), 5 shelves (18"" x 48""), 4 wheels (3 ""diameter), 4 leveling feet, 20 anti-slip covers - Do not move while loaded - Dimensions: 48 wide x 18 deep x 72 high inches (75" high with wheels) - Weight: 78.3 lbs - Model: 18505.