Size:1690*1490*890 Frame Tube: 50*100*4.0T, Square Tube. Press Arm Tube: Ф60*4.0T, Round Tube. Sheet metal thickness: 10mm Seat with gas-assisted height adjustment; Semi-circular movement with physiological load curve with lever system; Smart switch: easy rotating system for quick selection of the bar type; Lever for physiological start of movement; Footrest with a slip-proof system; Additional weight holders. Cushion: The upholstery is made of PU with once forming technology. Production Process: Lathing, Pickling and phosphating rust removal process for pipes Customized logo and colors available