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This support derives from the 7350 model, reproducing its ergonomics and strength. Thanks to its patented step by step regulation it is possible to adjust the height without the use of levers or buttons and without the risk of jumping positions. It also allows the user to move the chair by its back without the fear of losing the original seating position. The use of flexible production systems allows us to create supports of various forms and dimensions to facilitate the adapting of each single component to its mechanism. The use of special steel gives the 8350 model extraordinary strength to exceed even the most demanding of tests.


    Back holes distance: 100×60 mm and 100×30 mm
    Height adjustment stroke: 72 mm
    Height adjustment positions: 8 STEP BY STEP
    Construction of the blade in special steel
    Easy adjustment from seated without levers
    Reverse-version for backrest assembly behind the support (art.8355-20 and art.8835-20)
    Heights, angles, depths (see drawing: A, B, C) can be customized
    Customization of the hole for mechanism connection available



    • EN1335-3/2000, par. 7
    • ANSI-BIFMA X5.1 - 1993/5
    • ANSI-BIFMA X5.1 - 1993/11
    • ANSI-BIFMA X5.1 - 1993/16


  1. By lifting the back step by step you adjust it to the desired height
  2. By lifting the back beyond its last position you can bring it back to its lowest position

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