HOF SITRA L N Medium Back Ergonomic Office Chair with Mesh Back

A durable injection moulded Black shade PP (Polypropylene) + Nylon plastic material backrest features breathable mesh fabric for better ventilation and adjustable lumbar support for customized comfort and spinal alignment. The seat features a 12mm thick molded plywood base, topped with a layer of PU (Polyurethane) mold foam that has a density of 57(+/-5) kg/m³. Delta-shaped armrest made of PP (Polypropylene) material, with a fixed type design. The backrest is equipped with a lockable push-back mechanism, linked to a metal spine with a durable black PC finish, enabling smooth tilting motion controlled by a tension-adjustable spring system. A height adjustment is facilitated by a 100mm stroke Class 4 gas spring lift, ensuring smooth and stable height control. A sturdy 5-leg nylon plastic base with a diameter of 630mm for enhanced stability, equipped with 50mm twin-wheel casters for smooth movement on all surfaces. Overall Height: 92 cm Overall Depth: 63 cm Overall Width: 63 cm Seat Height (Min/Max): 45.5/55 cm Seat Depth: 44.5 cm Handle Height (Min/Max): 63.5/73 cm Net Weight: 10.9 kg Note: "Acceptable tolerance limits for dimensiona are as follows: +/- 5mm for hard surfaces and +/- 10mm for soft surfaces."