We are a manufacturer of Nut & Bolt Type Shelving. We offer superior quality material and workmanship. Because of our high standards, we have supplied shelving to other manufacturer that they sell as their own! We have been in the manufacturing and installation business for over 50 years.All of RTI Employees have experience in the designing, manufacturing and installation of our products! We can also supply many other types of shelving including: Wire, Wide Span, Cantilever, Case Type and Pallet Racks.Our Standard shelves are 18 gauge, Class 1 ( Furniture Quality ) cold rolled steel, triple flanged on all 4 sides. Posts are 1.25" to 1.25" Mill rolled rail steel 1/8" (.125" thick ), round ( mill ) edged, and not sheared. Our backs and sides are 22 gauge and are 1 piece up to 99".