3/4″ Thick Melamine Top, with extra reinforcement on 60″ and 72″ sizes.Tops fold and tables nest for easy storage.Top locks solidly in open position for a firm, stable work surface. CASTERS: For easy moving, 2 Casters have locks for added stability.ADJUSTABLE HEIGHT:Set at 29″ Desk Height, 26″ Keyboard Height, or any of 9 total heights from 23″ to 31″ for the most comfortable work position.Height locks with Tamper-Resistant Set Screws, wrench included.Melamine Topis water and stain resistant, and has about the same durability as a wooden desk top.
