Your Best Source
in the Magnetic Field

About Us

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Your best source in the magnetic field!

Founded in 1976 and located in Castle Rock, Colorado, Master Magnetics, Inc. manufactures and distributes magnets and magnetic devices for commercial, industrial and consumer use. Our large inventory and warehousing capabilities (over 20 million magnets in stock), along with two regional production and distribution facilities, ensure fast and cost-effective delivery. The Magnet Source® brand is a trademark of Master Magnetics, Inc., representing exceptional quality, expertise and customer service.


Flexible MagnetsFlexible magnetic sheeting and strip

Our line of flexible magnetic sheeting and strip is ideal for sign making, ad specialty, printing and point of purchase displays. Our custom cutting and slitting capabilities, plus a wide range of magnet thicknesses and laminates will meet any customized project application requirement.


We have partnered with major international printer manufacturers to test our flexible magnetic and magnetic receptive sheeting for compatibility and quality, including certification for HP Latex Ink Systems.


Retail and Display Point of Purchase Magnets

P.O.P. magnetsTo complement our magnetic graphic system for magnetic solutions in retail and commercial displays, magnetic assemblies are the workhorses for sign and P.O.P. applications.
They are great for fastening and holding—an all-purpose, go-to solution for simple hanging and fastening applications. They are repositionable—with no drilling or extra support needed—durable, reusable and they will never lose their magnetism.


Industrial MagnetsHDLM in use

For lifting, holding, separating, and retrieving, we have the right magnetic assemblies and permanent magnetic materials for all types of industrial, OEM and commercial applications. Our expertise and ability to develop customized solutions will match the correct magnet for your application.  Our permanent magnetic materials are available in a wide range of sizes, grades, and shapes.


Consumer Packaged Magnets

Pegboard PlanogramWe offer a complete line of retail-ready magnets and magnetic devices for Hardware, Home Improvement, Automotive, Craft, Hobby, Office/School Supplies and Housewares categories. The Magnet Source® brand is a proven profit center for retail markets with over 250 SKUs, trilingual packaging and customized planograms. We have achieved the highest rankings on vendor scorecards for on-time delivery, complete shipments, bar code compliance and product quality.


Our consumer packaged magnets are available at local and national retailers throughout North America including Ace Hardware, True Value Hardware, Do it Best Hardware, amazon.com, Fastenal and The Home Depot. For locations and more information, visit our Where to Buy page in the Packaged Magnets at Retail section of our site or call 1.888.293.9190.

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