Heavy duty construction. Made for commercial, retail and industrial dry storage. NSF Includes: shelves with shelf clips and 4 posts with leveling feet. Shelves can be adjusted in 1” increments along posts to fit your unique storage needs. Each shelf can support 440 lbs evenly distributed Open wire design reduces dust and dirt from accumulating. Can be assembled in minutes. No tools required. This heavy-duty commercial wire shelf kit is designed for use in stores, warehouses, restaurants, offices, etc. It can hold a heavy weight load and shelves be easily adjusted to store items of various sizes.