Includes leveling bases, 4 commercial grade casters with 2 locking casters that support up to 500lbs. Shelves are adjustable with 1" distance between each shelf. No tools required for assembly. Leveling foot capacity: 800 lbs. per shelf. Inside the box are 4 pairs of posts (1"" diameter), 5 shelves (18"" x 48"", 4 casters (3"" diameter), 4 leveling feet, 20 sliding sleeves. Dimensions are 121 cm x 45 cm x 182 cm. Weight: 78.3 lbs.