1 Each. Tabletop with a straight edge is the worksurface portion of Lorell Electric Height-Adjustable Workstations as well as the Lorell Relevance Series. It fits on Lorell Quadro Sit/Stand bases with button controller for a more versatile way of working so you can alternate between sitting and standing. The bases (sold separately) come in black or silver. 1" thick tabletop features a 3mm thick PVC edgebanding that matches the Weathered Charcoal laminate finish on the top surface. More from the Manufacturer