---
product_id: 18129971
title: "Master Magnetics Original Cast Alnico 5 Cow Magnet - Strong Heavy-Duty Magnets for Cows - Collects Nails and Other Tramp Iron"
brand: "master magnetics"
price: "171.74 DT"
currency: TND
in_stock: true
url: https://www.desertcart.tn/products/18129971-master-magnetics-original-cast-alnico-5-cow-magnet-strong-heavy
store_origin: TN
region: Tunisia
---

# Protects cow health & milk output 3" Alnico 5 cast magnet Durable aluminum-nickel-cobalt build Master Magnetics Original Cast Alnico 5 Cow Magnet - Strong Heavy-Duty Magnets for Cows - Collects Nails and Other Tramp Iron

**Brand:** master magnetics
**Price:** 171.74 DT
**Availability:** ✅ In Stock

## Summary

> 🧲 Keep your herd safe and your milk flowing with the original powerhouse magnet!

## Quick Answers

- **What is this?** Master Magnetics Original Cast Alnico 5 Cow Magnet - Strong Heavy-Duty Magnets for Cows - Collects Nails and Other Tramp Iron by master magnetics
- **How much does it cost?** 171.74 DT with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/18129971-master-magnetics-original-cast-alnico-5-cow-magnet-strong-heavy)

## Best For

- master magnetics enthusiasts

## Why This Product

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

## Key Features

- • **Trusted for 50+ Years:** The go-to heavy-duty magnet for dairy farmers and vets, ensuring herd safety and productivity.
- • **Dual-Purpose Innovation:** Not just for livestock—use it as a hands-on educational tool to demonstrate magnetic fields and physics.
- • **Built to Last a Lifetime:** Crafted from premium aluminum, nickel, and cobalt for durability that matches your cow’s lifespan.
- • **Safe & Easy Administration:** Rounded edges and compact 3" size make it simple to administer with a standard balling gun.
- • **Unmatched Magnetic Strength:** Cast Alnico 5 delivers a powerful, consistent pull that traps harmful tramp iron effectively.

## Overview

The Master Magnetics Original Cast Alnico 5 Cow Magnet is a 3-inch heavy-duty magnet trusted by dairy farmers for over 50 years. Made from durable aluminum, nickel, and cobalt, it safely captures nails and tramp iron ingested by cows, protecting their health and optimizing milk production. Its powerful magnetic pull and rounded design ensure effective, safe use, while its educational potential adds unique value beyond the farm.

## Description

Master Magnetics Original Cast Alnico 5 Cow Magnet - Strong Heavy-Duty Magnets for Cows - Collects Nails and Other Tramp Iron

## Features

- PROTECT YOUR HERD: For over 50 years, this heavy-duty magnet has been the favorite of dairy farmers and vets. It captures nails and other tramp iron cows may swallow while grazing, helping support their appetite, well-being, and milk production.
- LONG-LASTING: Built to last the life of your cow, this 3" long magnet is made from a combination of durable aluminum, nickel, and cobalt. With rounded edges, it's easy to administer with an ordinary balling gun.
- POWERFUL MAGNET: This cast Alnico 5 magnet delivers a strong, consistent pull to trap tramp iron. The poles are structured to align metal items along the magnet and pull them to the center, minimizing sharp protrusions.
- EDUCATIONAL TOOL: This powerful magnet doubles as a hands-on teaching aid. Use it in classrooms to demonstrate magnetic fields and basic physics concepts in a clear, engaging way.
- MASTER MAGNETICS: We are a USA-based company trusted since 1976 for strength, quality, and performance. Our extensive line of affordable, powerful magnets makes tasks easier in homes, workshops, and industrial spaces.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Material | Cast Alnico |
| Brand | Master Magnetics |
| Product Dimensions | 3"L x 0.5"W x 3"Th |
| Color | Silver |
| Shape | Cylindrical |
| Item Thickness | 3 Inches |
| Number of Pieces | 2 |
| Manufacturer | Master Magnetics, Inc. |
| UPC | 095421072392 |
| Global Trade Identification Number | 00095421072392 |
| Part Number | 07239 |
| Item Weight | 5.3 ounces |
| Item model number | 07239 |
| Is Discontinued By Manufacturer | No |
| Item Package Quantity | 1 |
| Included Components | 2 magnets |
| Batteries Included? | No |
| Batteries Required? | No |

## Product Details

- **Material:** Cast Alnico
- **Brand:** Master Magnetics
- **Product Dimensions:** 3"L x 0.5"W x 3"Th
- **Color:** Silver
- **Shape:** Cylindrical

## Images

![Master Magnetics Original Cast Alnico 5 Cow Magnet - Strong Heavy-Duty Magnets for Cows - Collects Nails and Other Tramp Iron - Image 1](https://m.media-amazon.com/images/I/611Aq7tuliL.jpg)
![Master Magnetics Original Cast Alnico 5 Cow Magnet - Strong Heavy-Duty Magnets for Cows - Collects Nails and Other Tramp Iron - Image 2](https://m.media-amazon.com/images/I/51bcphdH4IL.jpg)
![Master Magnetics Original Cast Alnico 5 Cow Magnet - Strong Heavy-Duty Magnets for Cows - Collects Nails and Other Tramp Iron - Image 3](https://m.media-amazon.com/images/I/71klXofrhbL.jpg)
![Master Magnetics Original Cast Alnico 5 Cow Magnet - Strong Heavy-Duty Magnets for Cows - Collects Nails and Other Tramp Iron - Image 4](https://m.media-amazon.com/images/I/81DJUwfzokL.jpg)
![Master Magnetics Original Cast Alnico 5 Cow Magnet - Strong Heavy-Duty Magnets for Cows - Collects Nails and Other Tramp Iron - Image 5](https://m.media-amazon.com/images/I/61+mkKMCNUL.jpg)

## Frequently Bought Together

- Master Magnetics Original Cast Alnico 5 Cow Magnet - 0.50" Diameter, 3" Length, Silver, Pack of 2, 07239
- United Scientific Supplies MGTCOW-A Cow Magnet, Alnico, 1.25 cm Diameter
- The Body Code: Unlocking Your Body's Ability to Heal Itself

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**Shop now:** [https://www.desertcart.tn/products/18129971-master-magnetics-original-cast-alnico-5-cow-magnet-strong-heavy](https://www.desertcart.tn/products/18129971-master-magnetics-original-cast-alnico-5-cow-magnet-strong-heavy)

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*Product available on Desertcart Tunisia*
*Store origin: TN*
*Last updated: 2026-01-29*