Store more and get organized with Member's Mark 6-Tier NSF Heavy Duty Wire Shelving with Durable Shelf Inlays. Constructed from commercial grade steel, with shelves designed using a 3-truss support that increases overall stability and keeps shelves rigid and straight. The shelving system is ideal for use in any environment from commercial, industrial, to home. Each steel wire shelf is adjustable at 1” increments to accommodate the storage of a variety of different sized items. Each 47.75" W x 18" D heavy duty shelf can hold up to 1,000 lbs. (6,000 lbs. total) when assembled with leveling feet. Install the large 3" wheels for a mobile storage unit capable of storing up to 800 lbs. across the entire system. The shelving measures 72" high when assembled with leveling feet and 75.5" high on wheels. Heavy-duty wall straps and wall- mounting hardware is included with instructions for safe installation. Assembly is easy with no tools required.