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🪑 Upgrade your throne with strength and style — don’t settle for less!
The Mastery Mart Office Chair Base Replacement is a universal, heavy-duty 28" matte black metal base designed to fit most office and gaming chairs. Supporting up to 2200 lbs, it features a reinforced tubular iron structure for maximum stability and scratch prevention. Easy to install with included instructions, it offers a budget-friendly, durable solution to extend your chair’s life while ensuring safety and style.






| ASIN | B07ZY36NJ1 |
| Additional Features | 11mm x 22mm, Durable, Easy to Replace and Install, Heave Duty, Quality Guaranteed |
| Age Range Description | Adult |
| Arm Style | Armless |
| Assembly Instructions | Require Assembly |
| Assembly Instructions Description | Included, Easy to follow |
| Back Style | Solid Back |
| Brand Name | MASTERY MART |
| Color | Black |
| Customer Reviews | 4.6 4.6 out of 5 stars (1,841) |
| Fill Material | Metal |
| Finish Types | Polished |
| Form Factor | Metal |
| Frame Material Type | Metal |
| Furniture Base Movement | Swivel |
| Furniture Finish | Black,Matte |
| Included Components | Base Only |
| Indoor Outdoor Usage | Indoor |
| Is Customizable? | No |
| Is Electric | No |
| Is Foldable | No |
| Item Depth | 32 centimeters |
| Item Diameter | 70 Centimeters |
| Item Dimensions | 70 x 70 x 10 centimeters |
| Item Dimensions D x W x H | 71.1D x 71.1W x 10.2H centimeters |
| Item Weight | 4.95 Pounds |
| Key Product Features | 🥇【100% Satisfaction Guaranteed】Our replacement base is easy to install with clear, step-by-step instructions. If this doesn't fit your chair, you can simply return it., 🥇【Budget-Friendly Solution】Why replace the whole chair when you can fix it for 1/5 the cost? If your chair seat is still in good condition, replacing the base is a smart way to save money and keep your favorite chair., 🥇【Durable an… |
| Leg Style | Tapered Leg |
| Manufacturer | Mastery Mart Co., Limited |
| Manufacturer Part Number | Mastery Mart |
| Material Type | Metal |
| Maximum Weight Recommendation | 2200 Pounds |
| Model Number | Mastery Mart |
| Package Quantity | 1 |
| Package Weight | 2.9 Kilograms |
| Pattern | Solid |
| Product Care Instructions | Wipe Clean |
| Reclining Position Count | 1 |
| Recommended Uses For Product | Office |
| Required Assembly | Yes |
| Room Type | Office |
| Safety Warning | Always ensure the chair base is properly assembled and secure before use. Do not exceed the weight limit of 2500 lbs. Be cautious of sharp edges and pinch points when handling the metal leg. |
| Seat Height | 28 Inches |
| Seat Material | Metal |
| Shape | Round |
| Size | 28D x 28W x 4H in |
| Style Name | Contemporary |
| Surface Recommendation | Hard Floor |
| Theme | Contemporary |
| Tilting | No |
| Title | Mastery Mart Office Chair Base Replacement for Office/Desk/Swivel Chair with Cap, Universal Gas Cylinder Socket and Caster Sockets, 28"(70 cm) Heavy Duty 2200 Lbs/1000 Kg (Matte Black) |
| Unit Count | 1 Count |
D**O
Assemblage des bras facile a l'aide de la clef hexagonale fournie. Moyeu métallique solide avec une belle finition. Remplacera avec efficacité et élégance le pied en plastique de ma chaise gamer qui a fait long feu...
V**T
Easy to install, good quality
S**A
Se rompió una de las puntas del pie de la silla del escritorio y no encontraba ningún repuesto. Y comprar una silla nueva no me parecía buena idea. Afortunadamente me encontré con este pie de metal universal y me salvó de un gasto innecesario!
E**B
بقالها معايا داخلى على سنة و الحمد لله زى الفل
J**Z
Muy buen producto y buena calidad. Lo compre para remplazar la base de mi silla que se habia roto.
Trustpilot
1 month ago
2 weeks ago