This picnic table frame is used to make a 6 foot rectangular picnic table. The "J2" series is made of hot dip galvanized 2 3/8" O.D. schedule 40 pipe and includes a center cleat and 1 15/16" O.D. cross braces to stabilize this extra heavy frame. Can be used to make your own wooden picnic table or recycled plastic picnic table. Planks are not included, purchased as frame set only.