Class4 80mm Gas Lift Heavy Duty Office Chair Adjustable Arms 350mm Chrome Metal Base

This heavy duty office chair is built around a certified Class4 80mm gas lift and a robust 350mm chrome metal base, delivering industrial‑grade stability for high‑demand home offices and commercial workplaces. The adjustable arms accommodate various shoulder widths and desk heights, reducing upper body fatigue during extended working hours. The 80mm lift range ensures smooth, precise height transitions even under repeated daily use, while the wide chrome base distributes load evenly to prevent tipping. Every component—from the reinforced seat mounting plate to the dual‑wheel casters—is selected for continuous, heavy‑load operation.

• Over Size: 74*76*123-131cm
• Adjustable Arms with Soft Pad
• Tilt Mechanism
• Class4 80mm Gas Lift
• 350mm chrome metal base
• With footrest

1. Industrial‑Strength Lifting System

• Class4 gas lift rated for consistent performance under frequent height changes and heavy user weights

• 80mm stroke allows seamless adaptation from low tasking positions to higher standing‑desk compatibility

• Sealed nitrogen cylinder eliminates sudden drops or jerky movements

2. Wide & Durable Chrome Metal Base (350mm)

• 350mm diameter creates an exceptionally stable footprint, reducing lateral wobble

• Chromed steel surface resists rust, chips, and daily scuffs from foot traffic

• Base integrates reinforced caster sockets for secure, rattle‑free wheel attachment

3. Fully Adjustable Arms for Ergonomic Support

• Height and pivot adjustments let the user align armrests with natural elbow position

• Padded arm tops relieve pressure on the ulnar nerve during mouse or keyboard work

• Arm mechanisms lock tightly to eliminate play, even when leaning heavily on one side

4. Application – Heavy‑Use Home Office

• Supports long work sessions (10+ hours) without structural fatigue or sagging

• Ideal for larger users or those who share a chair across different height preferences

• Chrome base complements modern, professional office aesthetics while delivering commercial durability

5. Application – Collaborative or Training Environments

• Class4 lift withstands dozens of height changes per day from multiple users

• Adjustable arms quickly reconfigure for different body sizes in hot‑desking setups

• Wide metal base prevents tip‑over when users lean forward or sideways to reach shared materials

6. Safety & Reliability Advantages

• Gas lift includes anti‑burst steel casing certified to Class4 safety standards

• Base features non‑skid bottom pads or rubber‑embedded casters for floor protection

• All adjustment mechanisms are enclosed to prevent pinch points or clothing snags