TOPSTAR Airwork Aluminium Office Chair, White, One Size

Ergonomic backrest with breathable mesh cover; 4-level lockable back; height-adjustable lumbar support; height and width adjustable "O2" armrest with soft cushion Comfortable padded seat with integrated seat depth adjustment for optimal adaptation to your body size Automatic synchronous body weight adjustment mechanism with fine adjustment; includes sliding handle. The spring force automatically adapts to the user's weight and can be adjusted precisely thanks to the rotating crank. Fully adjustable seat height Large polished aluminium base. Equipped with double load-dependent braking safety castors for carpets. Optionally, casters for hard floors with a rod size of 11 mm are available under item No. 6990 available