Channel CTR15206 Double Cafeteria Tray Rack with Solid Aluminum TopWith a lifetime warranty against rust and corrosion, the Channel CTR15206 cafeteria tray rack is made of heavy duty, high tensile extruded type 6063 T5 alloy aluminum. The tray slides are 1 x 1 1 2 extruded aluminum angle heli arc welded to the frame. The vertical and horizontal frame sections are 1 extruded aluminum tubing. The top is made of solid aluminum. The CTR15206 has 5 non marking casters. Benefits and Features: Mobile multi purpose racks for