Mastery MART Gas Lift Cylinder Replacement, 4'' Travel Length, Hydraulic Pneumatic Shock Piston Heavy Duty (450 lbs) Universal Size Fits Most Executive Office Chairs, Class 4 (Polished Steel)
US$45.88
Arrives as soon as ✓ Free shipping — over $200Description
Product Details Color: Polished Steel Pattern: Solid Size: 4'' Travel Length Item Dimensions: 9.8 x 2 x 2 inches Maximum Weight Recommendation: 1000 Pounds Included Components: Cylinder Mod...
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Free shipping over $200
Orders of $200 or more ship free. No code needed.
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Product Details
- Color: Polished Steel
- Pattern: Solid
- Size: 4'' Travel Length
- Item Dimensions: 9.8 x 2 x 2 inches
- Maximum Weight Recommendation: 1000 Pounds
- Included Components: Cylinder
- Model Name: GAS-LIFT
- Model Number: GAS-LIFT-GL
- Form Factor: Recliner
- Shape: Cylindrical
- Additional Features: Durable, Easy to Replace and Install, Heave Duty, Quality Guaranteed, Universal Fit
- Recommended Uses For Product: Office
- Room Type: Office
- Age Range Description: Adult
- Surface Recommendation: Hard Floor
- Indoor Outdoor Usage: Indoor
- Material Type: Alloy Steel
- Frame Material Type: Alloy Steel
- Product Care Instructions: Wipe Clean
- Seat Material: Alloy Steel
- Fill Material: Foam
- Required Assembly: No
- Back Style: Solid Back
- Style Name: Solid
- Finish Types: Polished
- Arm Style: Armless
- Furniture Finish: Glossy
- Leg Style: Straight Leg
- Item Dimensions D x W x H: 9.8"D x 2"W x 2"H
- Seat Height: 14 Inches
- Item Depth: 9.8 inches
- Furniture Base Movement: Swivel
- Reclining Position Count: 1
- Is Customizable?: No
- Is Foldable: No
- Is Electric: No
About this item
- 🥇【Upgraded Class 4 Gas Cylinder】 Mastery Mart's office chair cylinder replacement is made of premium steel. With the latest technique, it is class 4 which meets the highest industry standard (BIFMA/ANSI). Known to be durable and extremely strong, it is capable of supporting up to 450 lb.
- 👑【Versatile 4-Inch Travel Length】Our office chair piston provides a 4-inch travel length and adjustable height options from 10.3 to 14 inches, making it a versatile choice for any home or office.
- 🏆【Universal Cylinder for Most Chairs】Compatible with various chair types like office chairs, gaming chairs, executive chairs, and more. Outer cylinder diameter is 2 inches (50mm) for the base hole, and inner cylinder diameter is 1.1 inches (28mm) for the seat hole. Please double-check measurements before ordering. This pneumatic piston cylinder will fit almost every office chair on the market including Herman Miller Aeron.
- 👏【Eliminate Sinking Concerns】Prevent sinking issues by removing the old cylinder using a hammer or wrench. Simply assemble our new cylinder into the base and attach the seat. Our office chair lift provides seamless 360-degree rotation.
- 🎄【100% Satisfaction Guaranteed】For any issues with using our chair shock replacement, please don't hesitate to contact us. We are here to provide guidance, offer replacements, or process refunds, depending on your specific case. Your satisfaction is our priority.
Shipping Policy
Nestory ships from the United States.
Most orders leave the warehouse within 1 business day and arrive in 2–7 business days.
- Free shipping on orders of $200 or more, applied automatically
- Otherwise shipping is a flat $6.90
- Your tracking number is emailed as soon as your order ships
- We currently ship to the lower 48 United States
Return policy
30-day returns.
If it's not right for the room, you can request a return within 30 days of delivery, and Nestory will email you return instructions. Change-of-mind returns must be unused, unassembled, and in their original packaging. There is no restocking fee. Depending on the item's packaged size and weight and how it needs to be collected, a change-of-mind return may have a return shipping or pickup cost. We only deduct the actual cost: we tell you the exact amount and get your OK before arranging a paid return, and if there is no cost, nothing is deducted. Returns for damaged, defective, or incorrect items are free.
How it works
- Email us at support@nestoryplus.com with your order number.
- We send your return instructions within 1 business day, along with any return shipping cost so you can decide.
- Your refund goes back to your original payment method within 10 business days of the carrier scan.
Damaged or defective on arrival? Send a photo and Nestory replaces or refunds immediately, return shipping on us, and in most cases you won't need to send anything back.