Stop Office Chair from Sinking (Instant Height Lock) Fix a sinking office chair in secondsthis office chair sinking stopper clamps onto the gas lift cylinder / chair piston to hold your seat height steady. No more dropping while you work or game.
Heavy Duty Metal Clamps Carbon Steel Grip Built from solid carbon steel for strong holding power. A true heavy duty metal clamp that resists slipping under pressure and works as a long-term chair saver kit for daily use.
Fixes Failed Gas Lift Cylinder Without Replacement Parts No need for office chair cylinder replacement or a new gas lift cylinder. This office chair cylinder clamp / piston clamp locks the air rod in placean easy sinking office chair fix without removing the cylinder.
60-Second Install Simple Chair Repair Kit Fast DIY setup with the included hex key. No disassembly, no special tools. A practical office chair repair kit / office chair replacement parts alternative for home office, desk chairs, and gaming chairs.
Fits Most Office Chair Cylinders (0.981.1 in Diameter) Compatible with most office chair cylinder sizes (measure the cylinder before ordering). Use 1 clamp or stack 2 for height tuning. Includes 2 clamps + hex wrench for a secure, adjustable hold.
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Office Chair Sinking Stopper Clamp Heavy Duty Height Lock for Sagging Chairs, Fixes Failed Gas Cylinder Without Replacement, Easy Install, 2 Pack
Learn more about the Generic Brand Black
General
Brand
Flash Furniture
Model
Black
Model
Part Number
VK08
General
Type
Office Chair
Color
White
Spec
Frame Material
Nylon
Seat Size
2 pieces
Overall Size
30 in x 30 in x 30 in
Weight Capacity
100 kilograms
Specification
30 L x 30 W x 30 H inches, Carbon Steel, Black, 100 kilograms
Additional Information
First Listed on Newegg
April 26, 2026
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Warranty & Returns
Warranty, Returns, And Additional Information
Warranty
Please contact the Seller directly for warranty information. Warranty information may also be found on the Manufacturer's website.