---
product_id: 96684237
title: "5.5-Inch Replacement Backing Plate Compatible with Flex XC 3401 VRG Dual Action Polisher, Hook-and-Loop, 1 Pack"
brand: "monkey king"
price: "$151.99"
currency: USD
in_stock: true
category: "Monkey King"
url: https://www.desertcart.ec/products/96684237-5-5-inch-replacement-backing-plate-compatible-with-flex-xc
store_origin: EC
region: Ecuador
---

# Aluminum alloy backing plate 5.5-inch dual action pad size Compatible with Flex XC 3401 VRG polishers 5.5-Inch Replacement Backing Plate Compatible with Flex XC 3401 VRG Dual Action Polisher, Hook-and-Loop, 1 Pack

**Brand:** monkey king
**Price:** $151.99
**Availability:** ✅ In Stock

## Summary

> ⚡ Upgrade your polishing game with precision and power!

## Quick Answers

- **What is this?** 5.5-Inch Replacement Backing Plate Compatible with Flex XC 3401 VRG Dual Action Polisher, Hook-and-Loop, 1 Pack by monkey king
- **How much does it cost?** $151.99 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ec](https://www.desertcart.ec/products/96684237-5-5-inch-replacement-backing-plate-compatible-with-flex-xc)

## Best For

- monkey king enthusiasts

## Why This Product

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

## Key Features

- • **Optimal 5.5-Inch Size:** Perfectly sized to maximize sanding and polishing efficiency on a variety of surfaces.
- • **Quick Velcro Attachment:** Designed for fast pad changes to keep your workflow smooth and uninterrupted.
- • **Durable Aluminum Alloy Build:** Engineered with lightweight yet robust aluminum alloy for long-lasting use under heavy-duty conditions.
- • **Precision Fit for Pro Polishers:** Seamlessly compatible with Flex XC 3401 VRG dual action polishers for flawless performance.
- • **Versatile Surface Compatibility:** Works effortlessly on aluminum, stainless steel, glass, wood, stone, plastics, and composites.

## Overview

This 5.5-inch dual action sanding pad backing plate is a premium replacement part compatible with Flex XC 3401 VRG rotary orbital polishers. Crafted from durable aluminum alloy, it ensures a lightweight yet sturdy foundation for sanding and polishing tasks across multiple materials including metals, glass, wood, and composites. Ideal for professionals seeking reliable performance and quick pad swaps.

## Description

This Monkey King 5.5-inch replacement backing plate is designed for use with the FLEX XC 3401 VRG dual action polisher. The hook-and-loop face accepts compatible polishing and buffing pads and can be paired with suitable 6-inch or 6.5-inch pads. This is a model-specific third-party replacement and is not intended for other FLEX models or standard threaded polishers. Package includes one backing plate only. Mounting screw, installation tools, polishing pads, and polisher are not included. Monkey King is not affiliated with, sponsored by, or endorsed by FLEX.

## Features

- Compatible only with the FLEX XC 3401 VRG dual action polisher; not designed for other FLEX models.
- 5.5-inch hook-and-loop backing plate for attaching compatible polishing and buffing pads.
- Can be paired with suitable 6-inch or 6.5-inch polishing pads; oversized pads are not recommended.
- Third-party Monkey King replacement part; not manufactured, sponsored, or endorsed by FLEX.
- Includes one backing plate only; mounting screw, tools, polishing pads, and polisher are not included.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0796FKXYF |
| Best Sellers Rank | #351,298 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #232 in Sanding Pads |
| Brand Name | Monkey King |
| Compatible Material | Aluminum Alloys, Stainless Steel, Glass, Wood, Stone, Plastics, Composites |
| Customer Reviews | 4.5 4.5 out of 5 stars (12) |
| Grit Material Type | Plastic |
| Included Components | 1 x 5.5-Inch Replacement Backing Plate |
| Item Diameter | 5.5 Inches |
| Item Dimensions | 5.5 x 5.5 x 1 inches |
| Item Weight | 7.52 ounces |
| Manufacturer | BMJ |
| Material Type | Fiberglass-Reinforced Plastic |
| Model | 05-0007 |
| Number of Items | 1 |
| Part Number | SP |
| Set Name | No Set |
| UPC | 790996356075 |
| Unit Count | 1.0 Count |

## Product Details

- **Brand:** Monkey King
- **Grit Material:** Plastic
- **Item Weight:** 7.52 ounces
- **Item dimensions L x W x H:** 5.5 x 5.5 x 1 inches
- **Material:** Fiberglass-Reinforced Plastic

## Images

![5.5-Inch Replacement Backing Plate Compatible with Flex XC 3401 VRG Dual Action Polisher, Hook-and-Loop, 1 Pack - Image 1](https://m.media-amazon.com/images/I/516dypL-gCL.jpg)
![5.5-Inch Replacement Backing Plate Compatible with Flex XC 3401 VRG Dual Action Polisher, Hook-and-Loop, 1 Pack - Image 2](https://m.media-amazon.com/images/I/81RJbVupdoL.jpg)
![5.5-Inch Replacement Backing Plate Compatible with Flex XC 3401 VRG Dual Action Polisher, Hook-and-Loop, 1 Pack - Image 3](https://m.media-amazon.com/images/I/817FKW85I6L.jpg)
![5.5-Inch Replacement Backing Plate Compatible with Flex XC 3401 VRG Dual Action Polisher, Hook-and-Loop, 1 Pack - Image 4](https://m.media-amazon.com/images/I/717g5lfTedL.jpg)
![5.5-Inch Replacement Backing Plate Compatible with Flex XC 3401 VRG Dual Action Polisher, Hook-and-Loop, 1 Pack - Image 5](https://m.media-amazon.com/images/I/714oa+oxKRL.jpg)

## Questions & Answers

**Q: How do I specify the 5 inch plate when I order? I'm trying to order the 328200 plate.**
A: the one you ask is 5 inch. 
you can buy it now

**Q: The title of this product says 5 inch, yet the description says 5.5. Is this the 125mm or the 140mm?**
A: we have 2 sizes.
5 inch and 5.5inch.

which one you need please?

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**Shop now:** [https://www.desertcart.ec/products/96684237-5-5-inch-replacement-backing-plate-compatible-with-flex-xc](https://www.desertcart.ec/products/96684237-5-5-inch-replacement-backing-plate-compatible-with-flex-xc)

---

*Product available on Desertcart Ecuador*
*Store origin: EC*
*Last updated: 2026-06-24*