Pro-Line Basic Add-on Single Sided ESD Work Bench includes the uprights.  The work surface adjusts from 30" to 36" high on 1" increments and from floor to top of frame is 65" high.  Add-on stations share a top support and a horizontal leg. The Basic station and frame bolt together to keep freight cost down and to minimize storage space when not in use. Frames are painted with a durable circuit blue powder coat.