---
product_id: 314784054
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)"
brand: "mastery mart"
price: "R$2365"
currency: BRL
in_stock: false
reviews_count: 5
category: "Mastery Mart"
url: https://www.desertcart.com.br/products/314784054-mastery-mart-office-chair-base-replacement-for-office-desk-swivel
store_origin: BR
region: Brazil
---

# Easy installation with included instructions Universal fit for 7/16" x 7/8" casters & 2" gas cylinders Supports up to 2500 lbs heavy-duty load 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)

**Brand:** mastery mart
**Price:** R$2365
**Availability:** ❌ Out of Stock

## Summary

> 🪑 Upgrade your throne with strength and style — don’t settle for less!

## Quick Answers

- **What is this?** 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) by mastery mart
- **How much does it cost?** R$2365 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.com.br](https://www.desertcart.com.br/products/314784054-mastery-mart-office-chair-base-replacement-for-office-desk-swivel)

## Best For

- mastery mart enthusiasts

## Why This Product

- Trusted mastery mart brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Heavy-Duty Durability:** Chrome-plated tubular iron base engineered to support an impressive 2500 lbs load capacity.
- • **Universal Compatibility:** Fits most office, gaming, and executive chairs worldwide for seamless upgrades.
- • **Enhanced Stability & Safety:** Low center of gravity design prevents wobbling and protects your floors from scratches.
- • **Cost-Effective Chair Revival:** Replace your chair base at just 1/5 the cost of a new chair—smart, sustainable, and stylish.
- • **Hassle-Free Setup & Guarantee:** Quick installation with step-by-step guide plus 100% satisfaction or your money back.

## Overview

The Mastery Mart Office Chair Base Replacement is a universal, heavy-duty 28-inch matte black metal base designed to fit most office and gaming chairs. Engineered with a reinforced tubular iron structure, it supports up to 2500 lbs, ensuring maximum stability and floor protection. Easy to install and budget-friendly, it offers a smart solution to extend your chair’s life with a satisfaction guarantee.

## Description

Description: This Chrome Base will fit most office chairs available worldwide. Major office furniture manufacturers have been usingstandard size parts for many years now. This Chrome Base fits and even beyonds that standard. Easy installation: Simply remove the casters and gas lift from the chair base and put them in the new chrome base. You can rest assured knowing you are getting a premium quality product that is designed with the user in mind. Features: Fits Most of Office Chairs sold Worldwide Chrome Base Size in Diameter: 28’’ (70 cm). Chrome Base Leg Length: 12.6’’ (32 cm). Standard Cylinder Socket: 2’’ (5 cm). Standard Caster Sockets: 7/16’’ x 7/8’’ (11mm x 22mm). Height of the Chrome Base: 3.75’’ (9.5 cm) Meets the Highest Industry Standards Specifications: Model# : MF-PT003 Color: Black Net weight: 4.95lbs/ 2.25kgs 100% SATISFACTION GUARANTEED. If you don't absolutely enjoy it, we guarantee you a 100% reimbursement.Click the "Add to Cart" Button at the top of this page now for a better seating experience!

Review: 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...
Review: Easy to install, good quality

## Features

- 🥇【Universal Size】This gaming chair base replacement is compatible with most chairs on the market, such as Herman Miller office chairs, gaming chairs, desk chairs, and executive chairs. Fits casters with 7/16" x 7/8" (11 mm x 22 mm) stems and gas cylinders with a 2" (5 cm) diameter.
- 🥇【Durable and Sturdy Materials】This heavy-duty base is made of chrome-plated metal with a matte finish. The solid tubular iron structure is reinforced with screws, providing enhanced load-bearing capacity and safety. It can support up to 2500 lbs.
- 🥇【Ensure Safety and Prevent Scratches】An improper chair height can lead to an unstable center of gravity and floor damage. Our replacement base features a low center of gravity and enhanced stability, making your chair safer and preventing scratches—saving you the cost of buying a new chair.
- 🥇【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.
- 🥇【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.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07ZY36NJ1 |
| Assembly Type | Require Assembly |
| Capacity | 28D x 28W x 4H in |
| Care Instructions | Wipe Clean |
| Color | Black |
| Customer Reviews | 4.6 4.6 out of 5 stars (1,790) |
| Date First Available | 15 January 2020 |
| Finish Type | Polished |
| Is Assembly Required | Yes |
| Item Model Number | Mastery Mart |
| Item Shape | Round |
| Item model number | Mastery Mart |
| Manufacturer | Mastery Mart Co., Limited |
| Mattress Comfort | Metal |
| Number of Pieces | 1 |
| Primary material | Metal |
| Product Dimensions | 70 x 70 x 10 cm; 2.25 kg |
| Seat Height | 28 Inches |
| Shipping Weight | 2.9 Kilograms |
| Style | Contemporary |
| Type of Wood | Metal |
| What is in the box? | Base Only |

## Product Details

- **Brand:** MASTERY MART
- **Colour:** Black
- **Material:** Metal
- **Product dimensions:** 71.1D x 71.1W x 10.2H centimeters
- **Size:** 28D x 28W x 4H in

## Images

![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) - Image 1](https://m.media-amazon.com/images/I/51WVM0Ag+GL.jpg)
![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) - Image 2](https://m.media-amazon.com/images/I/61TE6JnVcTS.jpg)
![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) - Image 3](https://m.media-amazon.com/images/I/61kIXwFKfhS.jpg)
![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) - Image 4](https://m.media-amazon.com/images/I/61lyPEj9euL.jpg)
![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) - Image 5](https://m.media-amazon.com/images/I/71Pv1f4UxzS.jpg)

## Questions & Answers

**Q: How secure is the base of the office chair? Does it have a locking mechanism and sturdy back support?**
A: The office chair base is designed with safety in mind. It features a reliable locking mechanism to keep the base stable and secure, along with sturdy base support to prevent accidental tilting or damage, ensuring your safety during use.

**Q: What materials are used in the construction of the office chair base? Is it sturdy and durable?**
A: The office chair base is made from high-quality materials to ensure it is sturdy up to max capacitu of 2500 LBs and durable, avoiding any cheap feel. Every component undergoes strict quality control, providing reliable support that lasts long-term.

**Q: Is the office chair base easy to assemble? Does it come with an installation guide and tools?**
A: Yes, the office chair base is designed for easy assembly. It comes with a clear installation guide and all necessary tools, making it simple to replace your existing base—even if you have no prior experience.

**Q: How stable is the office chair base? Can it adapt to different floor surfaces?**
A: The office chair base is designed for excellent stability, minimizing the risk of tipping. Whether on tile, hardwood, or carpet, it adapts well to various floor types, providing steady support in any environment.

**Q: Is the office chair base easy to clean and maintain? Does it require special tools?**
A: Yes, the office chair base is designed for easy cleaning and maintenance. Its simple design means no special tools or complicated steps are needed, allowing you to keep the base in great condition with minimal effort.

## Customer Reviews

### ⭐⭐⭐⭐ Review
*by D***O on 19 December 2024*

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...

### ⭐⭐⭐⭐⭐ Review
*by V***T on 1 November 2024*

Easy to install, good quality

### ⭐⭐⭐⭐⭐ Review
*by S***A on 19 February 2025*

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!

## Frequently Bought Together

- MASTERY MART Heavy Duty Office Chair Base Replacement, 2500 Lbs, 28"(70 cm), Metal Desk Chair Base Replacement Parts with Universal Gas Cylinder Hole and Casters Sockets, Matte Black
- Office Chair Caster Wheels Set of 5 Heavy Duty & Safe for All Floors Including Hardwood 2" Rubber Replace Office Chair Mat, Universal Standard Stem Size Fits 99%-Grey
- 9 Inches to 13 Inches Office Chair Cylinder Replacement, 4'' Stroke, Heavy Duty 1000 lbs, Hydraulic Pneumatic Shock Piston, Universal Gas Cylinder Fit for Most Office Chairs, Class 4 (Polished Steel)

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**Shop now:** [https://www.desertcart.com.br/products/314784054-mastery-mart-office-chair-base-replacement-for-office-desk-swivel](https://www.desertcart.com.br/products/314784054-mastery-mart-office-chair-base-replacement-for-office-desk-swivel)

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*Product available on Desertcart Brazil*
*Store origin: BR*
*Last updated: 2026-01-30*