How durable is this gas lift?

The office chair cylinder is made from high-strength alloy steel, high-quality thickened outer steel, high safety and explosion-proof. The gas lift cylinder has passed SGS official test and BIFMA certification, highest safety Class 4.

Will this chair cyinder fit on the herman miller aeron office chair?

Yes, our cylinder measures 1-1/8” (28mm) at the top, where it fits into the chair seat, shaft diameter 2” (50mm) at the bottom, where it fits into the chair base, you can measure your original cylinder before ordering.

What are the measurements of the cylinder, shortest and longest height as well as overall length and width?

Top of the cylinder: 1-1/8”, Shaft diameter：2”,

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Description

⚡ Upgrade your office throne with power and precision!

BUILT TO ENDURE - Class 4 gas cylinder supports up to 1000 lbs, engineered with premium steel for unmatched durability.
HASSLE FREE UPGRADE - Easy installation with guaranteed satisfaction—backed by responsive support and replacement options.
ELEVATE YOUR COMFORT - Adjust chair height seamlessly with a 4-inch stroke for perfect ergonomic positioning.
UNIVERSAL COMPATIBILITY - Fits most office chairs including premium brands like Herman Miller Aeron (except 1KEA).
SAY GOODBYE TO CHAIR SINKING - Reliable pneumatic shock prevents annoying seat drop, restoring your chair’s original smooth lift.

The MASTERY MART 9 to 13-inch office chair gas cylinder offers a robust 4-inch adjustable height stroke, universal fit for most chairs, and a heavy-duty Class 4 steel construction supporting up to 1000 lbs. Designed to eliminate sinking issues and ensure smooth 360-degree rotation, this pneumatic shock replacement is a reliable, easy-to-install upgrade for professionals seeking ergonomic excellence and durability.

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Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

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Delivery times vary by destination country, typically ranging from 3-9 business days. Each order is fully trackable through our system. We handle all customs clearance and use reliable courier partners for last-mile delivery. You'll receive regular updates about your order status via email and our app.

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