---
product_id: 463337016
title: "4 Pack Strong Magnet, 30 x 3 mm 8 KG Pull Super Strong Neodymium Disc Magnets, Magnet Strong with Double-Sided Adhesive, Powerful Permanent Rare Earth Magnets for Fridge, Building, Craft, Office,DIY"
brand: "grtard"
price: "$687"
currency: MXN
in_stock: true
reviews_count: 8
category: "Grtard"
url: https://www.desertcart.mx/products/463337016-4-pack-strong-magnet-30-x-3-mm-8-kg
store_origin: MX
region: Mexico
---

# Ni-Cu-Ni corrosion-resistant coating 8 KG pull strength 30 x 3 mm compact size 4 Pack Strong Magnet, 30 x 3 mm 8 KG Pull Super Strong Neodymium Disc Magnets, Magnet Strong with Double-Sided Adhesive, Powerful Permanent Rare Earth Magnets for Fridge, Building, Craft, Office,DIY

**Brand:** grtard
**Price:** $687
**Availability:** ✅ In Stock

## Summary

> 🧲 Stick with the best—powerful magnets that mean business!

## Quick Answers

- **What is this?** 4 Pack Strong Magnet, 30 x 3 mm 8 KG Pull Super Strong Neodymium Disc Magnets, Magnet Strong with Double-Sided Adhesive, Powerful Permanent Rare Earth Magnets for Fridge, Building, Craft, Office,DIY by grtard
- **How much does it cost?** $687 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.mx](https://www.desertcart.mx/products/463337016-4-pack-strong-magnet-30-x-3-mm-8-kg)

## Best For

- grtard enthusiasts

## Why This Product

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

## Key Features

- • **Compact Yet Mighty:** At just 30 x 3 mm, these magnets pack serious strength in a sleek, portable size.
- • **Sleek & Durable Finish:** Premium nickel-copper-nickel coating ensures a rust-free, scratch-resistant shine that lasts.
- • **Unmatched Magnetic Power:** Harness 8 KG of pull force for the toughest hold—no slip, no fail.
- • **Versatile Pro-Grade Utility:** Perfect for office, DIY, crafts, and industrial projects—your all-in-one magnetic solution.
- • **Effortless Double-Sided Adhesion:** Includes adhesive backing for instant, secure mounting—stick and go with confidence.

## Overview

This 4-pack of premium neodymium disc magnets delivers an impressive 8 KG pull force in a compact 30 x 3 mm size. Coated with a corrosion-resistant Ni-Cu-Ni finish, these rare earth magnets combine durability with sleek aesthetics. Ideal for professional DIY, office organization, crafts, and industrial use, they come with double-sided adhesive for quick, secure mounting. Rated highly by thousands, these magnets are the go-to choice for anyone demanding strength and style in one compact package.

## Description

4 Pack Strong Magnet, 30 x 3 mm 8 KG Pull Super Strong Neodymium Disc Magnets, Magnet Strong with Double-Sided Adhesive, Powerful Permanent Rare Earth Magnets for Fridge, Building, Craft, Office,DIY : desertcart.co.uk: Business, Industry & Science

Review: Strong magnets - Excellent, required to attach a flower to a handbag for a wedding. Worked perfectly, magnets really strong. Delighted with purchase
Review: Grand - The 6 Pack of Neodymium Disc Magnets (30 x 3 mm) is an impressive set for anyone needing strong and reliable magnets. With a pull force of 8 KG, these magnets are exceptionally powerful for their size, making them ideal for a variety of applications, from crafting to office organization. The included double-sided adhesive is a fantastic bonus, allowing for easy installation on various surfaces without the need for additional hardware. I've used them on the fridge to hold up notes and small tools, and they have held securely without slipping. These magnets are also great for DIY projects, as they can be incorporated into crafts or even used in building models. Their compact design and strength make them versatile for both personal and professional use. Overall, this set is a great value for anyone looking to add some serious magnetic power to their toolkit. Highly recommended!

## Features

- ⭐【MAGNETS COATED】 - You will love the smooth and shiny finish. Our magnets are protected with a corrosion-resistant Ni-Cu-Ni (Nickel-Copper-Nickel) coating to create a high-quality silver look that doesn't rust or scratch.
- ⭐【STRONG MAGNETS】 - Amazing strong! Made from the world's strongest magnetic element, our pure neodymium disc magnets are incredibly powerful. This set of premium rare earth magnets can handle your project or task.
- ⭐【UNLIMITED USES】 - These neodymium disc magnets work great as strong refrigerator magnets, for arts and crafts, DIY projects, hanging spice jars, pictures, whiteboards, tools in the garage, or science classroom at school, etc.
- ⭐【PORTABLE SIZE】 - Rare earth magnets have dimensions of 1.18 inches in diameter and 0.12 inches.Various packs can satisfy your various choices.
- ⭐【WARNING: AGE 15+ ONLY】- Contains strong magnets. Hazardous if swallowed or placed near medical devices. Keep out of reach of all children under 15 years of age.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0B3X4TFHS |
| Best Sellers Rank | 96 in Business, Industry & Science ( See Top 100 in Business, Industry & Science ) 2 in Rare Earth Magnets |
| Brand | Grtard |
| Colour | Silver |
| Country Of Origin | China |
| Customer Reviews | 4.3 out of 5 stars 1,612 Reviews |
| Item Dimensions L x W x Thickness | 30L x 30W x 3Th millimetres |
| Item Shape | Round |
| Item Thickness | 3 Millimetres |
| Item height | 3 millimetres |
| Item thickness | 3 Millimetres |
| Manufacturer | Grtard |
| Material | Neodymium |
| Material Type | Neodymium |
| Number of Pieces | 4 |
| Product dimensions | 30L x 30W x 3Th millimetres |
| Pull Force | 8 Kilograms |
| Shape | Round |
| Unit Count | 4.0 count |

## Product Details

- **Brand:** Grtard
- **Colour:** Silver
- **Material:** Neodymium
- **Product dimensions:** 30L x 30W x 3Th millimetres
- **Shape:** Round

## Images

![4 Pack Strong Magnet, 30 x 3 mm 8 KG Pull Super Strong Neodymium Disc Magnets, Magnet Strong with Double-Sided Adhesive, Powerful Permanent Rare Earth Magnets for Fridge, Building, Craft, Office,DIY - Image 1](https://m.media-amazon.com/images/I/71+htmgExqL.jpg)
![4 Pack Strong Magnet, 30 x 3 mm 8 KG Pull Super Strong Neodymium Disc Magnets, Magnet Strong with Double-Sided Adhesive, Powerful Permanent Rare Earth Magnets for Fridge, Building, Craft, Office,DIY - Image 2](https://m.media-amazon.com/images/I/716LIjoqT3L.jpg)
![4 Pack Strong Magnet, 30 x 3 mm 8 KG Pull Super Strong Neodymium Disc Magnets, Magnet Strong with Double-Sided Adhesive, Powerful Permanent Rare Earth Magnets for Fridge, Building, Craft, Office,DIY - Image 3](https://m.media-amazon.com/images/I/71ADZRYXcVL.jpg)
![4 Pack Strong Magnet, 30 x 3 mm 8 KG Pull Super Strong Neodymium Disc Magnets, Magnet Strong with Double-Sided Adhesive, Powerful Permanent Rare Earth Magnets for Fridge, Building, Craft, Office,DIY - Image 4](https://m.media-amazon.com/images/I/71NFRJvI3WL.jpg)
![4 Pack Strong Magnet, 30 x 3 mm 8 KG Pull Super Strong Neodymium Disc Magnets, Magnet Strong with Double-Sided Adhesive, Powerful Permanent Rare Earth Magnets for Fridge, Building, Craft, Office,DIY - Image 5](https://m.media-amazon.com/images/I/71hrR2jJ7SL.jpg)

## Available Options

This product comes in different **Size** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Strong magnets
*by L***0 on 16 December 2025*

Excellent, required to attach a flower to a handbag for a wedding. Worked perfectly, magnets really strong. Delighted with purchase

### ⭐⭐⭐⭐⭐ Grand
*by L***P on 3 November 2024*

The 6 Pack of Neodymium Disc Magnets (30 x 3 mm) is an impressive set for anyone needing strong and reliable magnets. With a pull force of 8 KG, these magnets are exceptionally powerful for their size, making them ideal for a variety of applications, from crafting to office organization. The included double-sided adhesive is a fantastic bonus, allowing for easy installation on various surfaces without the need for additional hardware. I've used them on the fridge to hold up notes and small tools, and they have held securely without slipping. These magnets are also great for DIY projects, as they can be incorporated into crafts or even used in building models. Their compact design and strength make them versatile for both personal and professional use. Overall, this set is a great value for anyone looking to add some serious magnetic power to their toolkit. Highly recommended!

### ⭐⭐⭐⭐⭐ Strong magnets for what I needed for
*by T***T on 4 January 2026*

Exactly what I needed. The magnets are very strong, by using three of them next to each other securely holds the foot switch for my electric plinth onto the metal frame, preventing it from being accidentally kicked or moved.

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**Shop now:** [https://www.desertcart.mx/products/463337016-4-pack-strong-magnet-30-x-3-mm-8-kg](https://www.desertcart.mx/products/463337016-4-pack-strong-magnet-30-x-3-mm-8-kg)

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*Product available on Desertcart Mexico*
*Store origin: MX*
*Last updated: 2026-01-22*