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MASTERY MART Office Chair Gas Cylinder Replacement Kit - Heavy Duty Hydraulic Piston, 6" Stroke, 1000 lbs Capacity, Easy Install

MASTERY MART Office Chair Gas Cylinder Replacement Kit - Heavy Duty Hydraulic Piston, 6" Stroke, 1000 lbs Capacity, Easy Install

$69.95 USD
$108.99 USD $69.95 USD
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  • ★ Correct Size & Universal Fit – Outer cylinder diameter 2" (50mm), inner piston diameter 1" (28mm), minimum length 11.5" (293mm), maximum length 17.5" (445mm) with a 6" (152mm) adjustable stroke. Fits 99% of office and gaming chairs, including Herman Miller, Steelcase, Secretlab and more.
  • ★ Heavy Duty Class 4 Hydraulic Lift – Built with reinforced steel for maximum durability. Supports up to 1000 lbs, ensuring stable, safe, and long‑lasting performance without sinking.
  • ★ Easy Installation Kit Included – Comes with removal tool, protective gloves, and step‑by‑step instructions. Even first‑time users can swap the old cylinder and install the new one without special equipment.
  • ★ Fix Your Sinking Chair in Minutes – Replace your broken or leaking office chair gas cylinder and restore full height adjustability. Stop struggling with chairs that keep sliding down.
  • ★ Save Money & Guaranteed Support – Extend the life of your chair at a fraction of the cost of buying new. Backed by lifetime warranty and responsive customer service – if your cylinder leaks or sinks, we’ll replace it for free.

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  2. The creation was driven by the need to address common issues in the market such as lack of comfort, non-ergonomic designs, and non-durable materials. We are committed to introducing innovative designs and high-quality materials to ensure optimal seating and user experience.

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  4. Are our products good quality?

    Absolutely! We never compromise on quality. Stringent quality control and the finest materials ensure our products exceed expectations, last long, and provide unbeatable value.

    How did we get our start?

    Our story began in a modest garage, fueled by a dream to create top-notch products that enhance lives. Through hard work and unwavering passion, we've grown but stay true to our roots.

    What makes our products unique?

    We obsess over every detail to craft something truly exceptional. Our innovative designs and premium materials culminate in products that stand apart.

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