Quick overview from the supplier:
Office Chair AKRacing Obsidian AK-OBSIDIAN-ALC Black, User max load up to 150kg / height 167-200cm
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https://eu.akracing.com/products/akracing-office-series-obsidian-computer-chair
Features:
Adjustable Armrests: 4D
Mechanism Type: Standard Mechanism
Adjustable Tilt Angle: 3-18°
Tilt Lock: Yes
Tilt Angle Lock: No
Recline angle: 180°
Gas Lift Class: Class 4 gaslift
Adjustable Back Angle: Yes
Adjustable Lumbar Cushion: Yes
Adjustable Headrest: Yes
Meets/Exceeds ANSI/BIFMA Standards: Yes
Warranty Length: 5 years
Materials:
Frame Material: Metal
Frame Coating: Anti corrosive black paint
Chair Cover Material: Premium PU leather on front and back
Foam Type: High Density Mould Shaping Foam
Foam Density: 55 kg/m³ (seat) 50 kg/m³ (back)
Base Type: High-tensile aluminum base
Size Recommendation
For maximum comfort:
Height: 167-200 cm
Weight: 65-125 kg
BMI: Not to exceed 32
Caster Size: 6 cm
Weight Capacity: 150 kg
Net Weight: 22.5 kg lbs
Gross Weight: 27 kg
