Slab mid base is designed to support and expand the HON Preside Laminate Conference Series that enhances collaboration from private offices to boardrooms. Versatile, person-friendly, modular design gives you the flexibility to infinitely expand yourconference table as your company grows by adding Preside Adder Sections (sold separately). This slab mid base is used when joining components for a table larger than 14'. Matching tabletops and slab bases are sold separately. Tabletop (sold separately) features an alignment guide on the underside for base placement.