This fiberglass picnic table has a 48" square top with four attached seats. The top and seats are attached to a single center post made of 6" square tube. The seat arms are 3 1/2" O.D. pipe with a hot-dip galvanized frame. The tamper-resistant support arms have carriage bolts with nuts hidden on the inside of the center post. In-ground mount is standard on single post tables and extends approximately 20" into a concrete poured base. This picnic table is can be customized to meet your needs. Call our friendly staff to request a surface mounting frame or backrests for any of the benches. This table can also be requested with one less seat to make it wheelchair accessible.