---
product_id: 177678013
title: "MASTERY MART Office Chair Base Replacement, 28 Inch Heavy Duty 2500Lbs Metal Leg, Reinforced for Swivel Gaming Chair, Universal Caster and Gas Cylinder Size, Polished Steel"
brand: "mastery mart"
price: "€ 98.86"
currency: EUR
in_stock: true
category: "Mastery Mart"
url: https://www.desertcart.pt/products/177678013-mastery-mart-office-chair-base-replacement-28-inch-heavy-duty
store_origin: PT
region: Portugal
---

# Supports up to 2500 lbs load 28-inch heavy-duty metal base Universal caster & gas cylinder fit MASTERY MART Office Chair Base Replacement, 28 Inch Heavy Duty 2500Lbs Metal Leg, Reinforced for Swivel Gaming Chair, Universal Caster and Gas Cylinder Size, Polished Steel

**Brand:** mastery mart
**Price:** € 98.86
**Availability:** ✅ In Stock

## Summary

> ⚡ Upgrade your throne with power and style — because your chair deserves the best!

## Quick Answers

- **What is this?** MASTERY MART Office Chair Base Replacement, 28 Inch Heavy Duty 2500Lbs Metal Leg, Reinforced for Swivel Gaming Chair, Universal Caster and Gas Cylinder Size, Polished Steel by mastery mart
- **How much does it cost?** € 98.86 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.pt](https://www.desertcart.pt/products/177678013-mastery-mart-office-chair-base-replacement-28-inch-heavy-duty)

## 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

- • **Sleek & Modern:** Polished steel finish adds a professional, contemporary edge to your workspace setup.
- • **Built to Endure:** Reinforced polished steel base engineered for unmatched durability and stability.
- • **Effortless Upgrade:** Simple installation with included hardware and clear instructions—no hassle, just performance.
- • **Heavyweight Champion:** Supports an impressive 2500 lbs capacity, ensuring your chair stays rock-solid under pressure.
- • **Seamless Compatibility:** Universal sockets designed to fit almost every office, gaming, or swivel chair effortlessly.

## Overview

The MASTERY MART Office Chair Base Replacement is a 28-inch polished steel base engineered for heavy-duty use, supporting up to 2500 lbs. Designed with universal caster and gas cylinder sockets, it fits nearly all office and gaming chairs. Easy to install with included hardware, this reinforced metal base combines durability with sleek modern aesthetics, making it the ultimate upgrade for professionals seeking reliability and style.

## Description

MASTERY MART Office Chair Base Replacement, 28 Inch Heavy Duty 2500Lbs Metal Leg, Reinforced for Swivel Gaming Chair, Universal Caster and Gas Cylinder Size, Polished Steel : desertcart.co.uk: Home & Kitchen

## Features

- ➤ WHAT'S IN THE BOX: 1 Set of Office Chair Silver Base Replacement, Installation Package, 1 Base Cap.
- ➤ PREMIUM GRADE METAL MADE STRONG BASE REPLACEMENT: This Heavy Duty Chrome Base Stool is manufactured to meet the Office Chair's highest industry standard. The reinforced metal and durability of the base will ensure your chair's base is firmly sound for many years.
- ➤ UNIVERSAL SIZE: The office chair base works perfectly with almost every office chair, gaming chair, desk chair, task chair and swivel chair on the market. The office chair base replacement has universal sockets that will fit your original casters and gas lift cylinder.
- ➤ SIZE DETAIL: Office Chair Base Size in Diameter: 28’’ (70 cm). Chrome Base Leg Length: 12.6’’ (32 cm). Standard Gas Cylinder Socket: 2’’ (5 cm). Standard Caster Sockets: 7/16’’ x 7/8’’ (11mm x 22mm). Height of the Chrome Base: 4’’ (10 cm)
- ➤ 100% SATISFACTION GUARANTEED - Very easy installation and replacement with our simple and clear instruction sheet. If this doesn't fit your chair, you can simply return it for a full refund.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07ZY3TZCQ |
| Assembly type | Require Assembly |
| Best Sellers Rank | 322,697 in Home & Kitchen ( See Top 100 in Home & Kitchen ) 771 in Desk Chairs |
| Capacity | 28D x 28W x 4H in |
| Care Instructions | Wipe Clean |
| Colour | Polished Steel |
| Customer Reviews | 4.6 4.6 out of 5 stars (379) |
| Date First Available | 19 July 2019 |
| Finish type | Polished Steel |
| Guaranteed software updates until | unknown |
| Is assembly required | No |
| Item Model Number | CHAIR |
| Item model number | CHAIR |
| Item shape | Round |
| Manufacturer | Mastery Mart Inc. |
| Mattress comfort | Swivel |
| Number of boxes | 1 |
| Number of pieces | 1 |
| Primary material | Metal |
| Product Dimensions | 70 x 70 x 10 cm; 2 kg |
| Seat height | 28 Inches |
| Shipping weight | 3.16 Kilograms |
| Style | Modern |
| Type of wood | Metal |
| What is in the box? | Replacement base, installation pack, 1 cap |

## Product Details

- **Brand:** MASTERY MART
- **Colour:** Polished Steel
- **Material:** Metal
- **Product dimensions:** 70D x 70W x 10H centimetres
- **Size:** 28D x 28W x 4H in

## Images

![MASTERY MART Office Chair Base Replacement, 28 Inch Heavy Duty 2500Lbs Metal Leg, Reinforced for Swivel Gaming Chair, Universal Caster and Gas Cylinder Size, Polished Steel - Image 1](https://m.media-amazon.com/images/I/51xVt7KLnNL.jpg)

## Available Options

This product comes in different **Color** options.

## 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.

## Frequently Bought Together

- Mastery Mart Office Chair Base Replacement, 28 Inch Heavy Duty(2500 Lbs) Metal Leg, Reinforced to Repair Swivel Gaming Chair Bottom Part with Universal Caster and Gas Cylinder Size (Silver)
- Mastery Mart Office Chair Caster Wheels for Hardwood Floors, Heavy Duty and Quiet Smooth Rollerblade Wheels for Office Chair, Universal Size (11x22mm), Suitable for Most Chairs
- 9 Inches to 13 Inches Office Chair Cylinder Replacement, 4" Stroke, Heavy Duty 1000lbs, Hydraulic Pneumatic Shock Piston, Universal Fit for Most Office Chairs, Class 4, Polished Steel

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*Product available on Desertcart Portugal*
*Store origin: PT*
*Last updated: 2026-10-06*