Filing Cabinets for End Tab Folders. Acme Visible 4000 Series Cabinets are unsurpassed in workmanship and are the first choice when quality is the number one priority. Each door "slides like silk" along the aluminum extrusion glides built into every level. Designed for storage of legal, letter and metric end-tab folders by using our 5" file box or file supports. Available in 2,3,4,5,6,7 level units (end-tab) and 2,3,4,5 level "XL" units for storage of files and 3-ring binders. All cabinets come complete with doors and a ganglock. Standard Finish: Silver Grey. Custom Colours by request.