---
product_id: 571381643
title: "3M Softback Sanding Sponge Aluminum Oxide Abrasive Pad 4-1/2 Inch x 5-1/2 Inch, Fine 320-400 Grit (Set of 2)"
brand: "musiclily"
price: "$26.45"
currency: USD
in_stock: true
url: https://www.desertcart.us/products/571381643-3m-softback-sanding-sponge-aluminum-oxide-abrasive-pad-4-1
store_origin: US
region: United States of America
---

# Wet & Dry Sanding Ready Flexible Foam Backing 320-400 Fine Grit Precision 3M Softback Sanding Sponge Aluminum Oxide Abrasive Pad 4-1/2 Inch x 5-1/2 Inch, Fine 320-400 Grit (Set of 2)

**Brand:** musiclily
**Price:** $26.45
**Availability:** ✅ In Stock

## Summary

> 🛠️ Elevate your finish game with precision-flex sanding power!

## Quick Answers

- **What is this?** 3M Softback Sanding Sponge Aluminum Oxide Abrasive Pad 4-1/2 Inch x 5-1/2 Inch, Fine 320-400 Grit (Set of 2) by musiclily
- **How much does it cost?** $26.45 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/571381643-3m-softback-sanding-sponge-aluminum-oxide-abrasive-pad-4-1)

## Best For

- musiclily enthusiasts

## Why This Product

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

## Key Features

- • **Dual-Mode Durability:** Waterproof bonding enables both wet and dry sanding without wear
- • **Eco-Friendly & Reusable:** Washable, recyclable sponges reduce waste while maintaining performance
- • **Long-Lasting Aluminum Oxide:** Fast-cut abrasive ensures efficient sanding with extended lifespan
- • **Contour-Conquering Flexibility:** Adapts seamlessly to curves and tight spots for flawless finishes
- • **Versatile Surface Compatibility:** Perfect for wood, metal, fiberglass, plastics, and marine paints

## Overview

The 3M Softback Sanding Sponge set features fine 320-400 grit aluminum oxide abrasives on a flexible foam backing, designed for efficient hand sanding on diverse surfaces. Waterproof and washable, these sponges support both wet and dry sanding, adapting to contours for professional-grade results. Each pack includes two durable, eco-conscious sanding sponges ideal for wood, metal, fiberglass, and marine applications.

## Description

3M Softback Sanding Sponge Aluminum Oxide Abrasive Pad 4-1/2 Inch x 5-1/2 Inch, Fine 320-400 Grit (Set of 2)

## Features

- Ideal for sanding wood, metal, fiberglass, plastic, gel coats and marine paints, especially useful to help eliminate finger marks
- Fine: 320- 400 grit, width x length: 114mm x 139mm (approx 4-1/2 inch x 5-1/2 inch)
- Flexible foam backing adapts to unique contours and access hard-to-reach areas; Aluminum oxide abrasive offers a long life and fast cut
- Sponges are made for hand sanding, washable and recyclable, with waterproof bonding system which allows both wet and dry sanding
- Package includes: 2pcs sanding sponges

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Musiclily |
| Part Number | MX2941-2 |
| Package Dimensions | 22 x 14.4 x 1.2 cm; 30 g |
| Item model number | MX2941-2 |
| Colour | 320-400 Grit |
| Material | Aluminium |
| Item Package Quantity | 1 |
| Special Features | Abrasive, Flexible, Lightweight |
| Included Components | 2 sanding sponges |
| Batteries included? | No |
| Batteries Required? | No |
| Item Weight | 30 g |

## Product Details

- **Brand:** Musiclily
- **Material:** Aluminium
- **Recommended uses for product:** Sanding wood, Sanding metal, Sanding fiberglass, Sanding plastic, Sanding gel coats, Sanding marine paints
- **Surface recommendation:** Fiberglass, Plastic, Wood
- **Colour:** 320-400 Grit
- **Special feature:** Abrasive, Flexible, Lightweight
- **Item package quantity:** 1
- **Included components:** 2 sanding sponges
- **Item weight:** 0.03 Kilograms
- **Number of items:** 2

## Images

![3M Softback Sanding Sponge Aluminum Oxide Abrasive Pad 4-1/2 Inch x 5-1/2 Inch, Fine 320-400 Grit (Set of 2) - Image 1](https://m.media-amazon.com/images/I/81UscjOqPvL.jpg)
![3M Softback Sanding Sponge Aluminum Oxide Abrasive Pad 4-1/2 Inch x 5-1/2 Inch, Fine 320-400 Grit (Set of 2) - Image 2](https://m.media-amazon.com/images/I/51+VBB-0xaL.jpg)
![3M Softback Sanding Sponge Aluminum Oxide Abrasive Pad 4-1/2 Inch x 5-1/2 Inch, Fine 320-400 Grit (Set of 2) - Image 3](https://m.media-amazon.com/images/I/81qhH8e-cxL.jpg)
![3M Softback Sanding Sponge Aluminum Oxide Abrasive Pad 4-1/2 Inch x 5-1/2 Inch, Fine 320-400 Grit (Set of 2) - Image 4](https://m.media-amazon.com/images/I/81kXJwj+pbL.jpg)
![3M Softback Sanding Sponge Aluminum Oxide Abrasive Pad 4-1/2 Inch x 5-1/2 Inch, Fine 320-400 Grit (Set of 2) - Image 5](https://m.media-amazon.com/images/I/71Pq7x6nHUL.jpg)

## Available Options

This product comes in different **Colour Name** options.

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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-03-03*