Maximize your storage with the Seville Classics 6-Tier Steel Shelving System. This shelving rack measures 48" W x 18" D x 75.5" H on wheels (72" H on leveling feet) and is constructed from commercial-grade steel. The six steel wire shelves are adjustable at 1" increment and can hold up to 1,000 lb. per shelf (on leveling feet). The entire shelving system can hold up to 6,000 lb. (on leveling feet) and 800 lb. (on wheels). The design features 3" heavy-duty rubber wheels and includes four bonus adjustable leveling feet. This shelving unit is NSF certified for commercial use and is ideal in homes, garages, offices, schools, mailrooms, classrooms, warehouses, and businesses.