The 8 Best Alnico Magnets

Updated January 30, 2017 by Sam Kraft

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We spent 25 hours on research, videography, and editing, to review the top choices for this wiki. Until rare earth magnets were developed in the 1970s, Alnico magnets were the strongest type of permanent magnet available. They come in a range of shapes and sizes and are used for a variety of applications, such as electric guitar pickups, school projects, cow magnets, microphones and loudspeakers. Can you already feel the options listed here attracting your attention? When users buy our independently chosen editorial picks, we may earn commissions to support our work. Skip to the best alnico magnet on Amazon.

8. Master Magnetics Cow

Whether your intended use is to prevent hardware disease in your cattle or you simply require a strong permanent magnet, the Master Magnetics Cow is solid, seamless and powerful. If used on a cow, it’s easily administered with an ordinary balling gun.
  • works for life of the cow
  • 3 inches in length
  • less durable than similar magnets
Brand Master Magnetics
Weight 10.4 ounces
Rating 4.1 / 5.0

7. Delta Education

The Delta Education is ideal for elementary or middle school science projects and teaching children the fundamentals of magnetism. Each magnet in the pack is one inch in length, packing a potent punch despite its diminutive stature.
  • comes in packs of 10
  • great for hands-on experiments
  • unexciting in appearance
Brand Delta Education
Model pending
Weight 0.8 ounces
Rating 3.5 / 5.0

6. Small Parts Cast

The classic horseshoe design has been a favorite of kids and teachers for decades. The Small Parts Cast follows in the tradition, offering high heat resistance and a maximum two pounds of pull force to go with its vibrant red coating.
  • does not corrode easily
  • powerful for its size
  • too small for certain uses
Brand Small Parts
Model 07279
Weight 1.6 ounces
Rating 4.5 / 5.0

5. Eisco Labs Bar

Simple and functional, the Eisco Labs Bar comes in a pair and includes a spacer and a keeper as part of the package, which is useful for preserving your magnet’s strength. Each side of the bar is stamped to designate which pole it represents.
  • resistant to deterioration
  • supplied in cardboard boxes
  • not difficult to store or maintain
Model pending
Weight 1.6 ounces
Rating 4.3 / 5.0

4. General Tools Horseshoe

Available in an array of different pull powers, the industrial-grade General Tools Horseshoe is tailor-made for handling steel or iron parts. It even features a hole for attaching to welding jigs, conveyors, racks and other gear.
  • will not naturally demagnetize
  • includes removable keepers
  • options weighing 2 to 24 ounces
Brand General Tools
Model 370-2
Weight 2.4 ounces
Rating 4.2 / 5.0

3. Eisco Labs Horseshoe

Perfect for use in the science classroom, the Eisco Labs Horseshoe offers a great way to demonstrate how magnets work, compare models of different sizes and strengths, and allow students to conduct tests on distinct types of metals.
  • resilient coating
  • well-made and durable
  • readily picks up nails or screws
Model pending
Weight 0.3 ounces
Rating 4.7 / 5.0

2. Dowling Bar

With the north and south poles clearly indicated on it, the Dowling Bar was made with education in mind. The strength is perfect for children to experiment on paperclips or other light metallic objects while learning about lines of force.
  • ideal size for kids
  • two in each pack
  • tough and not brittle
Brand Dowling Magnets
Model DO-731011
Weight 4 ounces
Rating 4.7 / 5.0

1. Dowling Cow

At three inches long and a half inch in diameter, the Dowling Cow is a robust multipurpose magnet. Not only is it extremely useful for cattle and science projects, it’s great for finding nails and screws behind drywall or picking up small metal parts.
  • excellent value at this price
  • comes in a versatile size
  • choking hazard for children under 3
Brand Dowling
Model Green Cow Magnet
Weight 1.6 ounces
Rating 4.8 / 5.0

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Last updated on January 30, 2017 by Sam Kraft

Sam is a marketing/communications professional and freelance writer who resides in Chicago, IL and is perpetually celebrating the Cubs’ 2016 World Series victory.

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