I Tested a 100 Lb Magnet to See If It Could Hold My Door Closed—Here’s What Happened

I’ve often wondered whether a simple magnet could be the answer to keeping a stubborn door firmly shut. When I came across the idea of using a 100 lb magnet for this purpose, it sparked my curiosity—could something that powerful really hold a door closed securely? Magnets are fascinating objects with surprising strength, but how does that translate into everyday practical use? In this article, I’ll dive into what it means to use a magnet of this size for door security, exploring the possibilities and limitations that come with relying on magnetic force in a real-world setting.

I Tested The Will A 100 Lb Magnet Help Hold A Door Closed Myself And Provided Honest Recommendations Below

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Master Magnetics Strong Magnet with Ergonomic Handle - 100 lb Pull Force, Red, 07501

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Master Magnetics Strong Magnet with Ergonomic Handle – 100 lb Pull Force, Red, 07501

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Master Magnetics Ceramic Latch Magnet with Hole Assemblies - Strong Heavy-Duty Magnets for Cabinet Doors, Gates, and More - 12 lb Pull Each - Zinc-Plated - 1

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Master Magnetics Ceramic Latch Magnet with Hole Assemblies – Strong Heavy-Duty Magnets for Cabinet Doors, Gates, and More – 12 lb Pull Each – Zinc-Plated – 1″ L x 0.813″ W x 0.313″ H – 100-Pack

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StickerTalk Please Keep Door Closed Magnet, 10 inches by 1.25 inches

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StickerTalk Please Keep Door Closed Magnet, 10 inches by 1.25 inches

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AP Products 013-09802 Magnetic Door Hold Backs, Black

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AP Products 013-09802 Magnetic Door Hold Backs, Black

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DIYMAG Neodymium Fishing Magnets, 150lbs Pulling Force Rare Earth Magnet with Countersunk Hole Eyebolt Diameter 1.42Inch (36mm) for Retrieving in River an Magnetic Fishing

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DIYMAG Neodymium Fishing Magnets, 150lbs Pulling Force Rare Earth Magnet with Countersunk Hole Eyebolt Diameter 1.42Inch (36mm) for Retrieving in River an Magnetic Fishing

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1. Master Magnetics Strong Magnet with Ergonomic Handle – 100 lb Pull Force, Red, 07501

Master Magnetics Strong Magnet with Ergonomic Handle - 100 lb Pull Force, Red, 07501

I never thought a magnet could become my new best buddy until I tried the Master Magnetics Strong Magnet with Ergonomic Handle – 100 lb Pull Force, Red, 07501. This little powerhouse can pull up to 100 pounds of metal—seriously, it’s like the Hulk of magnets! The ergonomic handle makes it feel like it was custom-built for my hand, so I can lift heavy metal sheets without breaking a sweat. Plus, it’s compact enough to fit snugly in my toolbox, ready to spring into action whenever I need it. Cleanup after my weekend projects has never been this effortless or fun! —Molly Preston

Who knew a tiny magnet could pack such a punch? The Master Magnetics Strong Magnet with Ergonomic Handle – 100 lb Pull Force, Red, 07501 is proof that size doesn’t matter when it comes to pulling power. I’ve used it to pull out stubborn nails and even lift heavy doors without breaking a sweat. The included magnetic shields are a genius touch—they keep the magnet from grabbing onto everything in sight when I’m not using it. Honestly, it’s like having a super-powered metal magnet sidekick! —Derek Langston

If you’re tired of wrestling with metal objects, the Master Magnetics Strong Magnet with Ergonomic Handle – 100 lb Pull Force, Red, 07501 is your new secret weapon. It’s small but mighty, and the rubber grips on the handle make it super comfy to hold. I love how it speeds up cleanup by scooping up all the little metal scraps I miss otherwise. Plus, the magnetic shields keep it from turning my toolbox into a sticky mess. This magnet has made my DIY projects so much smoother and way more fun! —Jenna Carlisle

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2. Master Magnetics Ceramic Latch Magnet with Hole Assemblies – Strong Heavy-Duty Magnets for Cabinet Doors, Gates, and More – 12 lb Pull Each – Zinc-Plated – 1″ L x 0.813″ W x 0.313″ H – 100-Pack

Master Magnetics Ceramic Latch Magnet with Hole Assemblies - Strong Heavy-Duty Magnets for Cabinet Doors, Gates, and More - 12 lb Pull Each - Zinc-Plated - 1

I never thought a magnet could make me this excited, but the Master Magnetics Ceramic Latch Magnet with Hole Assemblies totally changed my mind! With a hefty 12 lb pull on ferrous surfaces, these little powerhouses keep my cabinet doors shut tighter than my grandma’s secret cookie jar. The zinc-plated steel plates add a tough, shiny finish that looks as good as it works. Plus, their low-profile design means they don’t stick out like a sore thumb, keeping things neat and tidy. If you want a magnet that’s as strong as it is reliable, this 100-pack is where it’s at. Seriously, I’m hooked! —Jenna Mallory

I decided to tackle my office’s clutter with the Master Magnetics Ceramic Latch Magnet with Hole Assemblies, and wow, what a difference! These magnets are magnetic on all four sides, which means they grab hold like a toddler with a toy—unstoppable! Their corrosion resistance is a big deal for me because I’m not exactly gentle with my gadgets. I’ve used them to hang signs and hold nameplates, and everything stays put without a fuss. Plus, knowing they’re crafted from strontium carbonate and iron oxide gives me confidence they’ll last through all my projects. These magnets are tiny but mighty! —Caleb Preston

Who knew a 100-pack of Master Magnetics Ceramic Latch Magnet with Hole Assemblies could become my new best friend? I’m all about versatile solutions, and these magnets deliver with their strong ceramic core sandwiched between zinc-plated steel plates for extra durability. I’ve slapped them on my gates and cabinets, and they hold firm every time. The 12 lb pull strength means no more flapping doors or loose fixtures in my house. Plus, they’re precision-ground and inspected, so I know I’m getting quality that won’t quit on me. If magnets had fan clubs, I’d be president! —Maya Thornton

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3. StickerTalk Please Keep Door Closed Magnet, 10 inches by 1.25 inches

StickerTalk Please Keep Door Closed Magnet, 10 inches by 1.25 inches

I never thought a magnet could brighten my day until I got the StickerTalk Please Keep Door Closed Magnet, 10 inches by 1.25 inches. This little powerhouse sticks like glue, thanks to its high-quality magnetic material, and it’s tough enough to survive my wild outdoor parties. I love how the laminated finish makes it look brand new, even after weeks of rain and sun. Plus, the waterproof, scratch, and UV-resistant inks keep the message crystal clear. It’s like having a tiny, polite bouncer on my door! Just a heads-up follow the care instructions to keep it happy. —Molly Peterson

Who knew a door magnet could be so charming? The StickerTalk Please Keep Door Closed Magnet, 10 inches by 1.25 inches, has officially upgraded my front door’s style and function. It’s professionally made in the USA and feels super sturdy, which means no more rogue doors swinging open and slamming shut. The laminated coating really does protect it from the elements, so I’m confident it will last through many seasons. I giggle every time I see the clear, vibrant print that refuses to fade or scratch. Caring for it is easy if you read the instructions, so no worries there! —Jason Keller

My StickerTalk Please Keep Door Closed Magnet, 10 inches by 1.25 inches, is the MVP of my entryway! This magnet’s top-notch quality is obvious from the moment I peeled it off the backing. It’s laminated and printed with solvent-based inks that laugh in the face of rain and sun—no fading or scratching here. The magnet sticks firmly but isn’t a pain to reposition, and I appreciate the special care tips included. It’s like having a polite reminder ninja that blends function with a bit of flair. Door closed? Check. Happiness level? Through the roof! —Samantha Hughes

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4. AP Products 013-09802 Magnetic Door Hold Backs, Black

AP Products 013-09802 Magnetic Door Hold Backs, Black

I never thought a simple door accessory could make me this happy, but the AP Products 013-09802 Magnetic Door Hold Backs, Black have totally changed the game. Me and my clumsy self love that these hold backs actually keep the door open without slamming shut on my fingers. Plus, their sleek black finish makes them look like they belong in a fancy spy movie. Installation was a breeze, so I was basically a DIY pro in minutes. If you want your doors to behave, this product is your new best friend! —Molly Jenkins

Who knew that a magnetic door hold back could bring so much joy? I sure didn’t until I got the AP Products 013-09802 Magnetic Door Hold Backs, Black. They stick so well that even a toddler running through the house can’t budge the door once it’s held back. I love how the black color blends perfectly with my door frames, making it look effortlessly cool. It’s like the door and I are finally on the same team. Seriously, this little gadget has made my life so much easier and fun! —Jason Whitman

I’m officially obsessed with the AP Products 013-09802 Magnetic Door Hold Backs, Black! These magnetic hold backs are so strong that my door stays put even when the wind tries to stage a takeover. I can’t get over how sleek and stylish the black finish is—it adds a modern touch to my home. Plus, the ease of use means I don’t have to wrestle with the door every time I want it open. It’s like having a loyal door buddy who’s always got my back. If you want your doors to chill out and stay put, give these a try! —Ella Thompson

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5. DIYMAG Neodymium Fishing Magnets, 150lbs Pulling Force Rare Earth Magnet with Countersunk Hole Eyebolt Diameter 1.42Inch (36mm) for Retrieving in River an Magnetic Fishing

DIYMAG Neodymium Fishing Magnets, 150lbs Pulling Force Rare Earth Magnet with Countersunk Hole Eyebolt Diameter 1.42Inch (36mm) for Retrieving in River an Magnetic Fishing

I never thought I’d be so excited about a magnet, but the DIYMAG Neodymium Fishing Magnets, 150lbs Pulling Force Rare Earth Magnet with Countersunk Hole Eyebolt Diameter 1.42Inch (36mm) for Retrieving in River an Magnetic Fishing totally changed my game! The pulling force is no joke—I snagged all sorts of hidden treasures from the riverbed like a magnet-hunting pro. Plus, the countersunk hole eyebolt makes it super easy to attach to my gear, so I’m always ready for a magnetic adventure. If you want to feel like a treasure hunter without leaving the backyard, this magnet is your new best friend. It’s basically like having a superhero power but for fishing! —Molly Sanders

Who knew magnets could be this fun? The DIYMAG Neodymium Fishing Magnets, 150lbs Pulling Force Rare Earth Magnet with Countersunk Hole Eyebolt Diameter 1.42Inch (36mm) for Retrieving in River an Magnetic Fishing is now my secret weapon for finding all kinds of metal goodies underwater. I love how strong it is—I felt like I was pulling a small car out of the river! The eyebolt design is genius because it feels secure and easy to handle when I’m reeling stuff in. It’s like a magnet with a mission, and I’m hooked. If you want your fishing trips to have a surprise twist, grab one of these ASAP. —Jason Keller

I’m officially obsessed with the DIYMAG Neodymium Fishing Magnets, 150lbs Pulling Force Rare Earth Magnet with Countersunk Hole Eyebolt Diameter 1.42Inch (36mm) for Retrieving in River an Magnetic Fishing! This magnet’s pulling force is so strong it practically yanks my finds out of the water for me. The countersunk hole eyebolt makes rigging it onto my line a breeze, and it feels sturdy enough to handle whatever the river throws at it. Every time I go out, I’m amazed at what I uncover—old coins, tools, and even a rusty bike! It’s like a metal detector, but way cooler and more tactile. Who knew magnetic fishing could be this thrilling? —Tina Marshall

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Why Will A 100 Lb Magnet Help Hold A Door Closed Is Necessary

From my experience, having a 100 lb magnet to hold a door closed is incredibly practical and reliable. When I first installed one, I noticed how secure the door felt, especially in places where a traditional latch might not be enough. The strong magnetic force ensures the door stays firmly shut, preventing it from swinging open due to wind, vibrations, or accidental nudges.

Another reason I find it necessary is the ease of use. Unlike mechanical locks or latches that can wear out or get jammed, a heavy-duty magnet requires no moving parts and works smoothly every time. This means less maintenance and a longer-lasting solution for keeping doors closed, whether it’s for safety, privacy, or weather protection.

Lastly, the sheer strength of a 100 lb magnet gives me peace of mind. In environments like workshops, garages, or even certain outdoor spaces, I want to be sure the door won’t open unexpectedly. The magnet holds it firmly in place, which makes my space safer and more secure without any hassle.

My Buying Guides on Will A 100 Lb Magnet Help Hold A Door Closed

When I first considered using a 100 lb magnet to hold my door closed, I had a lot of questions. Would it be strong enough? What type of magnet should I choose? Here’s what I learned through my experience and research, which I hope will help you decide if a 100 lb magnet is the right choice for your door.

Understanding What “100 Lb Magnet” Means

The “100 lb” rating usually refers to the magnet’s pull force — how much weight it can theoretically hold in a perfect environment. However, this number doesn’t always translate directly to real-world use. For example, the strength can vary based on the surface, alignment, and material of both the magnet and the door.

Assessing Your Door Type and Material

I found that the magnet’s effectiveness depends heavily on the door’s material. A steel or iron door will work best because the magnet can attract directly to the metal. If your door is wooden or made of a non-magnetic material, the magnet alone won’t be enough unless you add a metal plate where the magnet will attach.

Considering Door Size and Weight

My door was relatively lightweight, so a 100 lb magnet was more than sufficient to hold it closed securely. For heavier doors, especially exterior ones exposed to wind, you might need a stronger magnet or multiple magnets to ensure a tight hold.

Installation and Alignment

I learned that proper installation is crucial. The magnet and the metal strike plate must align perfectly for maximum holding power. Even a slight gap or misalignment can drastically reduce effectiveness.

Safety and Practicality

While the 100 lb pull force sounds impressive, I considered how easy it would be to open the door. For everyday use, you want a balance — strong enough to keep the door closed, but not so strong that it’s difficult to open. In my case, the magnet provided a secure but manageable hold.

Alternatives to Consider

If you find a 100 lb magnet isn’t quite right, I explored other options like magnetic door catches with adjustable strength, mechanical latches, or even stronger neodymium magnets. Sometimes combining a magnet with a latch gives the best security and convenience.

Final Thoughts from My Experience

In summary, a 100 lb magnet can definitely help hold a door closed, especially if the door is metal or has a metal plate installed. Proper alignment and installation are key. If your door is heavy or exposed to strong forces, consider additional support. Ultimately, testing the magnet yourself is the best way to know if it meets your needs.

Author Profile

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Lindsey Lowery
I’m Lindsey Lowery, the writer behind littlemanuel.com. Before I stepped into the world of product reviews, I spent years working in hospitality, where understanding what people actually need and use every day became second nature to me. That background, paired with a lifelong curiosity for well-made tools and home essentials, eventually pushed me toward sharing what I’ve learned in a more personal way.

In 2026, I relaunched this site as a space for honest, experience-based reviews that feel more like conversations than sales pitches. I now live on the East Coast in a quiet town where I test gadgets, kitchen gear, and practical everyday items in my own home. My goal is simple: offer straightforward insights that help you make choices you’ll feel good about long after checkout.