HOF RIAN Medium-Back Premium Office Chair

The back features an 18mm thick molded plywood base (12mm inner + 6mm outer), topped with a layer of PU (polyurethane) molded foam with a density of 60 ± 5 kg/m³. The seat features a 12mm thick molded plywood base, topped with a layer of PU (Polyurethane) molded foam with a density of 57(+/-5) kg/m³, and is protected underneath by a durable plastic cover. The armrest offers versatile 4-directional adjustability, allowing movement up and down, back and forth, in and out, and tilting, all within a sturdy PP (Polypropylene) construction. The backrest is designed with a sophisticated synchronous tilt mechanism, featuring multi-position locking and self-weight tension adjustment, along with a seat sliding function for optimal comfort. A height adjustment is facilitated by a 90mm stroke Class 3 gas spring lift, ensuring smooth and stable height control. A sturdy 5-leg Aluminum die casted mirror finish base with a diameter of 660mm for enhanced stability, equipped with 60mm twin-wheel casters for smooth movement on all surfaces. Overall Height: 101.5 cm Overall Depth: 67 cm Overall Width: 71.5 cm Seat Height (Min/Max): 43/52 cm Seat Depth: 47 cm Handle Height (Min/Max): 64/73 cm Net Weight: 19.8 kg Note: "Acceptable tolerance limits for dimensiona are as follows: +/- 5mm for hard surfaces and +/- 10mm for soft surfaces."