Bizzi black heavy-duty seat

High-back task chair with an ergonomic,
extra-thick seat that is adjustable in depth. The backrest
is height-adjustable via a ratchet mechanism with a
synchronous mechanism, multi-position backrest lock,
anti-return safety feature, and backrest tension adjustment
based on the user's weight.
Polished aluminum base.
Height-adjustable armrests.
5-year warranty.