drawer slides

They "do" make a 48" full extension slide...(500lb load)
http://www.wwhardware.com/catalog.cfm?GroupID binet%20Drawer%20Slides&CatID=Drawer%20Slides%2C%20KV%20Heavy%20Duty&SubCatID=%20500%23%20Class%20Precision%20Ball%20Bearing%20Slides
At $175 a pair, I would consider other options...
Dan wrote:

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