6 Tier 6000lbs Capacity NSF Metal Shelf Wire Shelving Unit, Heavy Duty Adjustable Storage Rack with W465142127Robust 6 Tier Shelving: Our heavy duty shelving unit is designed with 6 tiers and leveling feet, each shelf capable of holding 1000lbs when equally distributed on feet levelers, for a total maximum load capacity of 6000 lbs. Maximum entire unit weight capacity is 600lbs when equally distributed on caster. For optimal stability, we recommend placing heavier items on the bottom shelf. Unrivaled Durability: Constructed from heavy steel, our wire shelving