---
product_id: 324815597
title: "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)"
brand: "mastery mart"
price: "$55"
currency: NZD
in_stock: false
url: https://www.desertcart.nz/products/324815597-mastery-mart-office-chair-base-replacement-28-inch-heavy-duty
store_origin: NZ
region: New Zealand
---

# Meets BIFMA & ANSI industry standards Universal fit for most office & gaming chairs 28-inch heavy-duty metal base 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)

**Brand:** mastery mart
**Price:** $55
**Availability:** ❌ Out of Stock

## Summary

> 🪑 Upgrade your throne with strength and style — because your seat deserves the best!

## Quick Answers

- **What is this?** 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) by mastery mart
- **How much does it cost?** $55 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.nz](https://www.desertcart.nz/products/324815597-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 silver chrome finish adds a professional, stylish touch to your workspace.
- • **Built to Endure:** Supports up to 2500 lbs with reinforced premium metal construction for unmatched durability.
- • **Certified Quality:** Meets highest industry standards (BIFMA & ANSI) ensuring safety and long-lasting performance.
- • **Effortless Upgrade:** Quick installation with standard caster and gas cylinder sockets—get back to work in minutes.
- • **Seamless Compatibility:** Universal design fits nearly all office, gaming, and task chairs—no guesswork needed.

## Overview

The Mastery Mart Office Chair Base Replacement is a 28-inch heavy-duty metal base designed to support up to 2500 lbs. Engineered with reinforced premium-grade metal, it meets BIFMA and ANSI standards for durability and safety. Its universal fit accommodates most office, gaming, and task chairs worldwide, featuring standard caster and gas cylinder sockets for easy installation. Finished in polished silver chrome, it combines robust performance with sleek modern aesthetics, making it the ultimate upgrade for your seating setup.

## 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!

## 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 (BIFMA and ANSI). 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)

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Color | Polished Steel |
| Product Dimensions | 70 x 70 x 10 cm; 2 kg |
| Is Assembly Required | No |
| Assembly Type | Require Assembly |
| Installation Type | Screw-In |
| Primary material | Metal |
| Type of Wood | Metal |
| Top Material | Metal,Steel |
| Finish Type | Silver |
| Style | Modern |
| Capacity | 28D x 28W x 4H in |
| Number of Pieces | 1 |
| What is in the box? | Caster |
| Item Shape | Circular |
| Mattress Comfort | Recliner |
| Care Instructions | Wipe Clean |
| Shipping Weight | 3.16 Kilograms |
| Item Model Number | MM-REP-BAS001-CH-EU |
| Manufacturer | Mastery Mart Co., Limited |
| Item model number | MM-REP-BAS001-CH-EU |
| ASIN | B07ZY3TZCQ |

## Product Details

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

## Images

![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) - Image 1](https://m.media-amazon.com/images/I/51xVt7KLnNL.jpg)
![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) - Image 2](https://m.media-amazon.com/images/I/613jOJ4TcIS.jpg)
![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) - Image 3](https://m.media-amazon.com/images/I/61MzEESTjGS.jpg)
![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) - Image 4](https://m.media-amazon.com/images/I/61Rr1BqvgLL.jpg)
![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) - Image 5](https://m.media-amazon.com/images/I/61B9uU520kS.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)
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*Product available on Desertcart New Zealand*
*Store origin: NZ*
*Last updated: 2026-01-24*