This large 12  foot 'J2' series rectangular picnic table frame is made of heavy duty frame galvanized 2 3/8 inch O.D. schedule 40 pipe. Center cleat holds top level and the the 1 15/16 inch O.D. cross braces stabilize this extra heavy frame. Convenient walk-thru design and welded rigidity can stand up to rough use. Great for large pavilion installations where groups gather to barbecue and grill out. Purchased as frame set only.