Rythalix 17 Inches-27 Inches Extra Long Gas Lift Cylinder Tube for Bar Stool - 10'' Stroke, Heavy Duty 1000lbs Class 4 Hydraulic Pneumatic Cylinder Shock Piston Fit for Sinking Drafting Chair

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• 1000lbs Super Heavy Duty & Dual-Certified: Exceeds industry standards with LGA (GER) certifications, constructed from high-grade thickened alloy steel that’s 30% thicker than ordinary cylinders. Our Office Chair Cylinder Replacement, as a level 4 hydraulic component, it bears up to 1000lbs—more than double the load capacity of regular alternatives—ensuring unshakable stability for bar stools and drafting chairs even with long-term heavy use.
• 10" Full Stroke & Precise Height Adjustment: Features a 10-inch adjustable stroke, with a minimum height of 16.5" and maximum height of 26.5" (including piston). This wider height range perfectly adapts to different scenarios—whether you’re sitting at a home bar, office drafting table, or kitchen island, you can easily adjust to a comfortable posture without bending or straining.
• Explosion-Proof & Military-Grade Steel : The drafting chair hydraulic cylinder replacement uses Class 4 pressurized components. Lab-tested for 10+ years of daily abuse in gyms/workshops.
• Universal Fit for Multiple Chair Types: Designed with standard mounting dimensions, This pneumatic piston cylinder is a perfect replacement for sinking bar stools, drafting chairs, high stools, and even some executive office chairs. Supports 360° smooth rotation and silent height adjustment, restoring your old chair’s functionality like new without the cost of buying a whole new chair.
• 10-Year Warranty & Longer Service Life: Equipped with upgraded leak-proof sealing rings and anti-corrosion plating, the cylinder resists oil leakage, rust, and wear. We stand behind its durability with a 10-year replacement guarantee—if there’s any quality issue (non-human damage) like sinking, leaking, or stuck adjustment, we’ll send a brand-new one immediately.