Economy Steel Cargo STA with bolt-on feet made of galvanized steel tubing.CAUTION: Due to the wall construction of a trailer, Cargo STA do not have aworking load limit. Long Tube diameter 1.5″ Length: 89.75″-104.5″ Weight: 11.72 lbs / 5.33 kgs UPC: 092888200016 Standard Supplier Packaging: 4 Sold as Each