Ergonomic Office Chair, High Back Mesh Chair Computer Desk Chair with Lumbar Support and Headrest and Armrests
$276.49
[Lockable Reclining Function] The only lever underneath the chair allows the seat to go up and down for 3.94''. What really matters is, that by pushing the lever inwards/outwards from the middle of the chair, it locks/unlocks the tilting of the back.