--- product_id: 764892502 title: "Mastery Mart Office Chair Base Replacement 28\" Heavy Duty (1130kg) Metal Legs Reinforced Swivel Game Chair Bottom Parts with Universal Caster and Gas Cylinder Size (Silver)" brand: "mastery mart" price: "1816.94 DT" currency: TND in_stock: false url: https://www.desertcart.tn/products/764892502-mastery-mart-office-chair-base-replacement-28-heavy-duty-1130kg store_origin: TN region: Tunisia --- # Supports up to 1130kg reinforced metal 28" diameter heavy-duty base Universal fit for casters & gas cylinders Mastery Mart Office Chair Base Replacement 28" Heavy Duty (1130kg) Metal Legs Reinforced Swivel Game Chair Bottom Parts with Universal Caster and Gas Cylinder Size (Silver) **Brand:** mastery mart **Price:** 1816.94 DT **Availability:** ❌ Out of Stock ## Summary > 🪑 Upgrade your throne with the ultimate heavy-duty base—because your seat deserves the best! ## Quick Answers - **What is this?** Mastery Mart Office Chair Base Replacement 28" Heavy Duty (1130kg) Metal Legs Reinforced Swivel Game Chair Bottom Parts with Universal Caster and Gas Cylinder Size (Silver) by mastery mart - **How much does it cost?** 1816.94 DT with free shipping - **Is it available?** Currently out of stock - **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/764892502-mastery-mart-office-chair-base-replacement-28-heavy-duty-1130kg) ## 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 - • **Effortless Upgrade:** Quick, tool-free installation lets you refresh your chair base in minutes—no hassle, no downtime. - • **Risk-Free Confidence:** Backed by a 100% satisfaction guarantee with easy returns if it doesn’t fit your chair. - • **Rock-Solid Stability:** Heavy-duty 28" chrome base engineered to support up to 1130kg for unmatched durability. - • **Seamless Compatibility:** Universal socket design fits almost any office, gaming, or task chair effortlessly. - • **Premium Metal Craftsmanship:** Reinforced electroplated metal legs ensure years of reliable, noise-free performance. ## Overview The Mastery Mart 28" Office Chair Base Replacement combines premium-grade reinforced metal with a universal fit, supporting up to 1130kg. Designed for easy installation and compatibility with most office and gaming chairs, this chrome base ensures long-lasting stability and silent performance, backed by a full satisfaction guarantee. ## Description Description: This chrome base fits most office chairs around the world. Used by leading office furniture manufacturers Standard size parts for years to come. This chrome base exceeds that standard. EASY INSTALLATION: Remove the casters and gas lift from the base of the chair and place it in the new chrome base. You can use it with confidence. We know you are buying a top quality product designed with the user in mind. Features: Fits most office chairs sold worldwide Chrome Base Size: 28" (70cm) in diameter Chrome Base Leg Length: 12.6" (32cm) Standard cylinder socket: 2.0 inches (5 cm). Standard Caster Socket: 7/16" x 7/8" (11mm x 22mm) Chrome Base Height: 3.75" (9.5cm) It meets the highest industry standards. Specifications: Model Number:MF-PT003 Color: Black Net Weight: 4.95lbs/2.25kg 100% Satisfaction Guarantee. If you are not completely satisfied with your purchase, you will receive a 100% refund. Click the "Add to Cart" button at the top of this page now to experience a better seating experience. ## Features - ➤ Package included: 1 set office chair silver base replacement installation package and 1 base cap - ➤ STRONG BASE REPLACEMENT WITH PREMIUM GRADE METAL - This heavy duty chrome base stool is designed to meet the highest standards of office chair. The reinforced metal and the durability of the base of the chair ensures years of reliable sound - ➤ UNIVERSAL SIZE: Office chair base is perfect for almost any office chair, game chair, desk chair, task chair, swivel chair. Office chair base replacement has universal socket to fit original casters and gas lift cylinders - ➤ Size Details: Office Chair Base Size: Diameter 28" (70cm) Chrome Base Leg Length: 12.6" (32cm) Standard Gas Cylinder Socket: 5cm Standard Caster Socket: 7/16" x 7/8" (11mm x 22mm) Chrome Base Height: 4" (10cm) - ➤ 100% SATISFACTION GUARANTEE - Very easy to install and replace. If it does not fit your chair, you can return it for a full refund ## Technical Specifications | Specification | Value | |---------------|-------| | Manufacturer | Mastery Mart Co., Limited | | Part number | Mastery Mart | | Item Weight | 2 Kilograms | | Product Dimensions | 70 x 70 x 10 cm; 2 kg | | Size | 70 cm | | Color | Polished Steel | | Style | Game Chair, Chair | | Material | Metal Electroplating | | Number Of Pieces | 1 | | Special Features | Rolling | | Batteries Included | No | | Batteries Required? | No | | Item Dimensions LxWxH | 70 x 70 x 10 cm | ## Product Details - **Brand:** MASTERY MART - **Color:** Polished Steel - **Material:** Metal Electroplating - **Size:** 70 cm - **Item Weight:** 2 Kilograms ## Images ![Mastery Mart Office Chair Base Replacement 28" Heavy Duty (1130kg) Metal Legs Reinforced Swivel Game Chair Bottom Parts 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" Heavy Duty (1130kg) Metal Legs Reinforced Swivel Game Chair Bottom Parts with Universal Caster and Gas Cylinder Size (Silver) - Image 2](https://m.media-amazon.com/images/I/61rDXrOOM5S.jpg) ![Mastery Mart Office Chair Base Replacement 28" Heavy Duty (1130kg) Metal Legs Reinforced Swivel Game Chair Bottom Parts with Universal Caster and Gas Cylinder Size (Silver) - Image 3](https://m.media-amazon.com/images/I/613jOJ4TcIS.jpg) ![Mastery Mart Office Chair Base Replacement 28" Heavy Duty (1130kg) Metal Legs Reinforced Swivel Game Chair Bottom Parts with Universal Caster and Gas Cylinder Size (Silver) - Image 4](https://m.media-amazon.com/images/I/61MzEESTjGS.jpg) ![Mastery Mart Office Chair Base Replacement 28" Heavy Duty (1130kg) Metal Legs Reinforced Swivel Game Chair Bottom Parts with Universal Caster and Gas Cylinder Size (Silver) - Image 5](https://m.media-amazon.com/images/I/61Rr1BqvgLL.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. ## 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 --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.tn/products/764892502-mastery-mart-office-chair-base-replacement-28-heavy-duty-1130kg](https://www.desertcart.tn/products/764892502-mastery-mart-office-chair-base-replacement-28-heavy-duty-1130kg) --- *Product available on Desertcart Tunisia* *Store origin: TN* *Last updated: 2026-05-30*