If youre looking for versatile, reliable and easy to assemble height adjustable desk, it is for you. Its the easiest and fastest frame to assemble on the market. The bases is favorite among some of the biggest names in the US corporate world because its reliable, carries great warranty, comes standard with position programmable handset, includes anti collision safety feature, and is smooth and quiet. Top not included Control switch with 4 presets Durable powder coated steel frame HAT Contract Standard Desk Frame