---
product_id: 52183842
title: "Neodymium Magnets, 20 Pcs Strong Rare Earth Magnets Powerful Rectangular Fridge Magnet for Science, DIY & Crafts (20PCS)"
brand: "gremag"
price: "396 Ft"
currency: HUF
in_stock: false
reviews_count: 7
url: https://www.desertcart.hu/products/52183842-neodymium-magnets-20-pcs-strong-rare-earth-magnets-powerful-rectangular
store_origin: HU
region: Hungary
---

# Precise 20x10x2mm dimensions 10,400 Gauss internal strength Ni+Cu+Ni triple-layer coating Neodymium Magnets, 20 Pcs Strong Rare Earth Magnets Powerful Rectangular Fridge Magnet for Science, DIY & Crafts (20PCS)

**Brand:** gremag
**Price:** 396 Ft
**Availability:** ❌ Out of Stock

## Summary

> 🧲 Elevate your projects with the magnet that means business!

## Quick Answers

- **What is this?** Neodymium Magnets, 20 Pcs Strong Rare Earth Magnets Powerful Rectangular Fridge Magnet for Science, DIY & Crafts (20PCS) by gremag
- **How much does it cost?** 396 Ft with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.hu](https://www.desertcart.hu/products/52183842-neodymium-magnets-20-pcs-strong-rare-earth-magnets-powerful-rectangular)

## Best For

- gremag enthusiasts

## Why This Product

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

## Key Features

- • **Precision Perfect:** Engineered with tight ±0.1mm tolerances for consistent performance
- • **Compact Yet Mighty:** Sleek rectangular design fits anywhere without sacrificing strength
- • **Durability Meets Shine:** Triple-layer Ni+Cu+Ni coating resists rust and keeps magnets gleaming
- • **Versatile DIY Essential:** Ideal for crafts, fridge notes, hardware hangers, and creative projects
- • **Unmatched Magnetic Power:** Holds over 8 lbs per magnet—strongest in its size class

## Overview

GREMAG’s 20-piece set of neodymium rectangular magnets delivers industry-leading strength with 10,400 Gauss internal power and over 8 lbs holding capacity each. Triple-layer Ni+Cu+Ni coating ensures long-lasting durability and rust resistance, while precise 20x10x2mm sizing guarantees consistent, reliable use. Perfect for professionals and creatives alike, these magnets transform everyday tasks and DIY projects into powerful statements.

## Description



## Features

- WELL COATED: These neodymium bar magnets are Ni+Cu+Ni triple layer coated, which makes them very durable and offers a shining surface.This Ni+Cu+Ni coating also offers ideal rust resistant protection.
- SUPER POWERFUL: This is the strongest magnet in its size! Each piece of magnet holds more than 8 lbs' weight. Internal Strength: 10,400 Gauss. Surface Strength: 4,000 Gauss.
- USE OCCASION: These bar magnets have enough strength to be used as fridge magnet, sign, note or picture holder, hardware tools hanger, artwork and handcraft DIY material.
- MAGNET DIMENSIONS: 20mm x 10mm x 2mm (approx. 0.8" x 0.4" x 0.08"). Tolerances: ±0.1mm x ±0.1mm.
- WARNING: These magnets were fragile in somewhat, so be cautious not to collide them fiercely. Cause these are super strong magnet, please keep it away from your kids under 5 years.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | GREMAG |
| Brand | GREMAG |
| Model Number | NMN5209 |
| Package Dimensions | 7.1 x 5.7 x 1.4 cm; 50 g |
| Shape | Rectangular |
| Material Type | Neodymium |
| Number of Items | 1 |
| Size | 20PCS |
| Manufacturer Part Number | SM-SquareMag--20Pcs |
| Item Weight | 50 g |

## Product Details

- **Material:** Neodymium
- **Brand:** GREMAG
- **Shape:** Rectangular
- **Number of pieces:** 20
- **Pull force:** 8 Pounds

## Images

![Neodymium Magnets, 20 Pcs Strong Rare Earth Magnets Powerful Rectangular Fridge Magnet for Science, DIY & Crafts (20PCS) - Image 1](https://m.media-amazon.com/images/I/61-Xvp8Y0oL.jpg)
![Neodymium Magnets, 20 Pcs Strong Rare Earth Magnets Powerful Rectangular Fridge Magnet for Science, DIY & Crafts (20PCS) - Image 2](https://m.media-amazon.com/images/I/61ATgC8qj-L.jpg)
![Neodymium Magnets, 20 Pcs Strong Rare Earth Magnets Powerful Rectangular Fridge Magnet for Science, DIY & Crafts (20PCS) - Image 3](https://m.media-amazon.com/images/I/61MCyBFYcFL.jpg)
![Neodymium Magnets, 20 Pcs Strong Rare Earth Magnets Powerful Rectangular Fridge Magnet for Science, DIY & Crafts (20PCS) - Image 4](https://m.media-amazon.com/images/I/61lPmYHlaqL.jpg)
![Neodymium Magnets, 20 Pcs Strong Rare Earth Magnets Powerful Rectangular Fridge Magnet for Science, DIY & Crafts (20PCS) - Image 5](https://m.media-amazon.com/images/I/51P2D-MsjVL.jpg)

## Questions & Answers

**Q: Would these be strong enough to hold a cosplay chestplate together?**
A: Probably, might need to stack a few.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Perfect
*by M***S on 9 July 2019*

Great product

### ⭐⭐⭐ Good strong magnets well packaged.
*by A***R on 10 September 2018*

Great magnets, just what I needed but let down as item was dispatched on the day it was supposed to be delivered.

### ⭐ Small and not worth buying
*by A***P on 5 June 2019*

Not worth buying they snap in half

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**Shop now:** [https://www.desertcart.hu/products/52183842-neodymium-magnets-20-pcs-strong-rare-earth-magnets-powerful-rectangular](https://www.desertcart.hu/products/52183842-neodymium-magnets-20-pcs-strong-rare-earth-magnets-powerful-rectangular)

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*Product available on Desertcart Hungary*
*Store origin: HU*
*Last updated: 2026-02-10*