Cylinder base easily attaches to 42" or 48" round tabletops of the HON Preside Cafe / Commons Series. This series helps create open, flexible spaces where people can get together to eat, drink & be productive. Tabletop (sold separately) features a traditional edge, plywood core & durable, high-pressure laminate that is scratch-resistant, abrasion-resistant & easy to clean. Underside of top features an alignment guide for base placement. Round tabletop is sold separately. Base includes adjustable leveling glides to accommodate uneven floors.