This strong 6 foot rectangular picnic table has aluminum top and seat planks. The center post is made of 6" square tube and the seat arms are made of 3 1/2" pipe. The seat and top supports are made of 2 3/8" pipe. This vandal-resistant picnic table has 1/2" round head carriage bolts that hide the nuts. This picnic table would be a great addition to a park or HOA community as it is low maintenance and vandal resistant.