{"product_id":"b0d2zfpwl1","title":"MASTERY MART Office Chair Gas Cylinder Replacement Kit, 4\" Stroke Heavy Duty Hydraulic Pneumatic Piston, 1000 lbs Capacity, Universal Fit for Desk Chairs, Easy Installation with Removal Tool \u0026 Gloves","description":"\u003cdiv\u003e\n\u003ch1\u003eAbout This\u003c\/h1\u003e\n\u003cul\u003e\n\u003cli\u003e★ Correct Size \u0026amp; Universal Fit – Outer cylinder diameter 2\" (50mm), inner piston diameter 1\" (28mm), minimum length 10\" (246mm), maximum length 14\" (346mm) with a 4\" (100mm) adjustable stroke. Fits 99% of office and gaming chairs, including Herman Miller, Steelcase, Secretlab and more.\u003c\/li\u003e\n\u003cli\u003e★ 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.\u003c\/li\u003e\n\u003cli\u003e★ 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.\u003c\/li\u003e\n\u003cli\u003e★ 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.\u003c\/li\u003e\n\u003cli\u003e★ Save Money \u0026amp; 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.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch1\u003eOverview\u003c\/h1\u003e\n\u003cul\u003e\n\u003cli\u003eBrand : MASTERY MART\u003c\/li\u003e\n\u003cli\u003eColor : Black\u003c\/li\u003e\n\u003cli\u003eMaterial : Alloy Steel\u003c\/li\u003e\n\u003cli\u003eProduct Dimensions : 9.8\"D x 2\"W x 2\"H\u003c\/li\u003e\n\u003cli\u003eSize : 4'' Travel Length\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"MasteryMart","offers":[{"title":"Default Title","offer_id":53982624088339,"sku":"B0D2ZFPWL1","price":51.18,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0975\/3208\/4499\/files\/71Xtx8T3D9L._AC_SX679.jpg?v=1774516250","url":"https:\/\/velourbeautystore.com\/products\/b0d2zfpwl1","provider":"Veloura Beauty","version":"1.0","type":"link"}