This chair has a medium-backrest and has two levers. One for height adjustment and for back adjustment. The seat has a fixed angle.
Backrest Height: 360mm
Seat Depth: 480mm
Seat Width: 470mm
The Arena 3.50 is a 3 lever High Back Chair, recommended maximum user weight 160kg Comes with Height Adjustable Armrests
Graphic 3 Adjustable 3 Lever Med Back Chair - Black