Ergotron 24388009 WorkFit-B Sit-Stand Workstation Base, Heavy-Duty, 88 lbs. Max Weight Cap, Black Sold as 1 Each - BASE ONLY. Top sold separately. Create a stand-up computer desk, a height adjustable work bench, or a sit-stand conference table. Includes mounting template and required fasteners to easily adapt your own worksurface to the WorkFit desk base. Offers the most flexibility for customizing a sit-stand furniture solution to match your space and needs. Open-architecture design is scalable for future computer equipment.