Alera Hospitality Series Single-Column Bases, 27.5" Diameter, 28.5"h, 300 lb Cap, Steel, Black Tops and Bases Sold Separately - ORDER BOTH. Classic table bases work great to create hospitality, meeting, conference, or quick-huddle setups. Reinforced steel base and single column for stability. X-shaped base provides room to pull up chairs/stools and ample leg room. Leveling glides help compensate for uneven floors. Use with Alera® Reversible Laminate Table Tops.