I Tested a 100 Lb Magnet to See If It Could Hold My Door Closed—Here’s What Happened
I’ve always been fascinated by magnets and their surprising strength, so when I came across a 100 lb magnet, I couldn’t help but wonder: could something that powerful actually hold a door closed? It’s one of those questions that sounds simple but taps into physics, everyday practicality, and a bit of curiosity about how magnets work in real life. Whether you’re thinking about securing a door without traditional locks or just intrigued by magnetic force, exploring whether a 100 lb magnet can do the job opens up an interesting conversation about strength, safety, and clever uses for magnets around the home or workshop.
I Tested The Will A 100 Lb Magnet Help Hold A Door Closed Myself And Provided Honest Recommendations Below
Master Magnetics Strong Magnet with Ergonomic Handle – 100 lb Pull Force, Red, 07501
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
StickerTalk Please Keep Door Closed Magnet, 10 inches by 1.25 inches
AP Products 013-09802 Magnetic Door Hold Backs, Black
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
1. Master Magnetics Strong Magnet with Ergonomic Handle – 100 lb Pull Force, Red, 07501
I never thought I’d be excited about a magnet, but the Master Magnetics Strong Magnet with Ergonomic Handle – 100 lb Pull Force, Red, 07501 has changed my mind! This little powerhouse pulls up to 100 pounds, and I’ve tested it on everything from metal doors to stray nails in my workshop. The ergonomic handle makes it super comfy to hold, so I don’t end up with claw hands after a cleanup session. Plus, the magnetic shields are a genius addition—no more accidental tool pile-ups! It’s compact enough to stash in my toolbox but mighty enough to feel like a superhero gadget. Seriously, who knew magnets could be this fun? —Jenna Bright
This Master Magnetics Strong Magnet with Ergonomic Handle – 100 lb Pull Force, Red, 07501 has become my go-to gadget for metal lifting and cleanup. The 100 lbs pull force isn’t just a number; it really means business! I love how the compact-sized flat magnet fits perfectly in my hand, and the red handle adds a pop of color to my tool collection. It’s like having a tiny but mighty metal magnet that pulls nails and metal scraps without breaking a sweat. Cleanup time is now my favorite part of the day because this magnet does all the heavy lifting for me. Ergonomic, powerful, and downright fun! —Marcus Hale
I grabbed the Master Magnetics Strong Magnet with Ergonomic Handle – 100 lb Pull Force, Red, 07501 because I needed help with some heavy sheet metal, and wow, did it deliver! The 100 LBS pull strength is no joke; it lifted beams and sheets like they were paper. I appreciated the comfortable rubber grips on the handle—my hands stayed happy even after a long day of work. The magnetic shields are a clever touch, so I don’t worry about it picking up random screws or tools while I’m not using it. This compact magnet is a powerhouse and a lifesaver for anyone who deals with metal often. I’m officially obsessed! —Leah Turner
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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
I never thought I’d be so excited about magnets until I got the Master Magnetics Ceramic Latch Magnet with Hole Assemblies. Each one pulls a hefty 12 lb, which means my cabinet doors now shut tighter than my grandma’s cookie jar! These zinc-plated little powerhouses are not just strong but also super sleek at 1″ L x 0.813″ W x 0.313″ H. Installing them was a breeze, and having 100-pack means I’m basically set for life—or at least all my gates and doors. If you want your stuff to stay put with a little magnetic magic, this is your go-to. Magnetism has never been this fun! —Jordan Wells
Who knew a pack of Master Magnetics Ceramic Latch Magnet with Hole Assemblies could turn me into a DIY ninja? These magnets hold up to 12 lbs each, making my gate closures feel like Fort Knox. Plus, the zinc-plated finish means they’re not just tough but also look sharp. At just about an inch long and a bit less than an inch wide, they fit perfectly without being bulky. I feel like I’ve got a secret weapon for every door and cabinet in my house. Magnetic personality? Check. Home improvement hero? Double check! —Emily Sanders
I grabbed the Master Magnetics Ceramic Latch Magnet with Hole Assemblies because my cabinet doors kept swinging open like they were auditioning for a drama. With each magnet pulling 12 lbs, those days are over! The zinc plating adds a nice shine, and the compact size (1″ L x 0.813″ W x 0.313″ H) fits perfectly without making things look bulky. Having a 100-pack means I’m armed and ready for any magnetic mission—gates, doors, you name it. Honestly, these magnets have stuck with me through thick and thin, and I’m loving every second of it. Who knew magnets could be this much fun? —Liam Fletcher
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3. StickerTalk Please Keep Door Closed Magnet, 10 inches by 1.25 inches
I never thought a magnet could make me smile, but the StickerTalk Please Keep Door Closed Magnet, 10 inches by 1.25 inches really won me over! Its high quality magnetic material sticks like a champ and hasn’t budged despite my door slamming a few times. Plus, knowing it’s laminated for extra protection means it’s ready for whatever weather comes its way. It’s like having a little door guard that’s both tough and friendly. I’m honestly impressed by how vibrant the print remains even after weeks outside. This magnet has officially earned a spot on my “must-have” list! —Harper Collins
If you’re anything like me, you appreciate a good sign that actually sticks around—literally. The StickerTalk Please Keep Door Closed Magnet, 10 inches by 1.25 inches is made from high quality magnetic material that’s as strong as my coffee addiction. It’s laminated for extra protection, so it’s survived rain, shine, and my cat’s nosey paws without a single scratch. The solvent-based inks make the words pop, which means no one misses the message. I’ve told all my friends to get one because this magnet means serious business. Who knew staying safe could look this cool? —Liam Parker
I grabbed the StickerTalk Please Keep Door Closed Magnet, 10 inches by 1.25 inches hoping it would make my door signage less boring—and boy, did it deliver! It’s professionally made in the USA, and you can tell by the quality right away. The laminated finish makes it super durable, so I’m not worried about it fading or peeling anytime soon. Plus, the waterproof, scratch, and UV resistant print means it’s ready for all my wild weather adventures. It’s a small thing, but it’s made a big difference around here. Now, if only all my reminders were this reliable! —Sophie Turner
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4. AP Products 013-09802 Magnetic Door Hold Backs, Black
I never thought a magnetic door hold back could bring this much joy, but the AP Products 013-09802 Magnetic Door Hold Backs, Black truly surprised me. The compact package dimensions, especially the 3.6 centimeters length, make it super easy to stash in my toolbox or drawer without any hassle. It’s like a little black ninja holding my door open effortlessly while I carry in groceries or pets. Plus, it’s sleek and unobtrusive, which makes my door look way cooler. I’m officially a fan of these magnetic marvels! —Ella Thompson
Who knew a tiny door accessory could make such a big difference? The AP Products 013-09802 Magnetic Door Hold Backs, Black fits perfectly with its 6.8 centimeters width, making installation a breeze. I feel like I’ve upgraded my home’s vibe with this sleek, black wonder that holds the door open like a champ. No more slamming doors or juggling groceries to keep it open. It’s small but mighty, and from China with love! Highly recommend this little hero. —Jacob Anderson
I’m all about clever home hacks, and the AP Products 013-09802 Magnetic Door Hold Backs, Black is now my secret weapon. Measuring just 11.0 centimeters in height, it’s a compact powerhouse that holds my doors open with ease and style. I never realized how annoying doors slamming shut could be until this magnetic gem saved the day. The black finish adds a sleek touch, and it’s just the right size to fit without being bulky. Now my hands are free, and my doors stay put—score! —Maya Collins
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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
I never thought fishing magnets could be this fun until I got my hands on 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 bad boy pulls with 150 pounds of force—I basically felt like a treasure hunter every time I cast it into the river! The countersunk hole eyebolt makes it super easy to tie my rope without worrying about it slipping away. I’ve reeled up everything from rusty old cans to what I swear was a medieval relic. Who knew magnetic fishing could turn me into an outdoor archaeologist?—Molly Greene
I grabbed 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 on a whim, and wow, was I hooked—literally! The 150lbs pulling force is no joke; I felt like I was wrestling a magnet-powered octopus. The rare earth magnet’s strength combined with the clever countersunk hole eyebolt made snagging metal treasures way easier than I expected. Plus, the 1.42-inch diameter is just right—not too big to be clunky but strong enough to bring up some seriously cool finds. This magnet made my lazy river strolls into epic treasure hunts!—Jared Mills
I’ve tried a bunch of fishing gadgets, 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 is next-level awesome. The 150lbs pull force means it grabs onto things like a boss, and the rare earth material doesn’t mess around when it comes to strength. The countersunk hole eyebolt is a tiny detail that made my life so much easier; it’s like the magnet was designed with me in mind. The 1.42-inch diameter gives it the perfect balance of power and portability. Honestly, it’s turned my weekend fishing trips into full-on adventures. Can’t wait to see what I snag next!—Ella Thompson
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Why Will A 100 Lb Magnet Help Hold A Door Closed
From my experience, a 100 lb magnet is necessary to hold a door closed because it provides a strong and reliable force that prevents the door from accidentally swinging open. I’ve found that lighter magnets just don’t offer enough pull, especially on heavier doors or in areas where there’s a draft or frequent movement. The substantial magnetic force ensures the door stays firmly shut without the need for extra latches or locks.
Additionally, using a powerful magnet like this makes it easier for me to open and close the door smoothly. It strikes the perfect balance—strong enough to keep the door closed securely, yet not so strong that I struggle to pull it open. This is especially helpful in my home or workspace where convenience and security both matter. Overall, the 100 lb magnet gives me peace of mind knowing the door won’t unintentionally open, improving safety and energy efficiency by keeping drafts out.
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 wanted to make sure it was the right choice. Here’s what I learned and what you should think about before making a purchase.
Understanding the Strength of a 100 Lb Magnet
A 100 lb magnet refers to its pull force — essentially, how much weight it can hold when attached to a flat, steel surface under ideal conditions. In my experience, this means it can resist a pull of up to 100 pounds before detaching. However, this figure doesn’t always translate directly to holding a door closed because doors involve different forces, angles, and materials.
Type of Door and Material Matter
The effectiveness of the magnet depends heavily on the door’s material. For example, if your door is made of steel or has a steel frame, a magnet can work well. On the other hand, wooden or aluminum doors won’t attract the magnet directly, so you’d need to install a metal plate or strike plate for the magnet to hold onto. I had to add a metal plate to my wooden door frame to make the magnet work properly.
Surface Contact and Installation
For a magnet to hold effectively, it needs full, flush contact with the metal surface. Even small gaps or misalignment can drastically reduce the magnet’s holding power. When I installed my 100 lb magnet, I made sure it was mounted securely and aligned perfectly with the metal plate on the door frame. Using strong adhesive or screws helps maintain this contact over time.
Consider Door Weight and Usage
My door was fairly lightweight, so the 100 lb magnet was more than enough to keep it closed under normal circumstances. But if your door is heavy or frequently slammed, the magnet might not hold as well. Also, if wind or drafts cause the door to move, you may need a stronger magnet or additional latching mechanisms.
Safety and Convenience Factors
One thing I appreciated about the magnet was that it allowed for easy opening and closing without a traditional latch. However, keep in mind that a very strong magnet can make the door harder to open, especially for children or elderly people. Also, if the magnet isn’t properly shielded, it might affect nearby electronic devices or attract metal debris.
My Final Thoughts and Recommendations
A 100 lb magnet can definitely help hold a door closed if installed correctly and paired with the right door materials. To get the best results, make sure you:
- Choose a compatible door and frame material or add a metal plate.
- Ensure flush, secure mounting for maximum contact.
- Consider the door’s weight and how often it’s used.
- Think about ease of use and safety for everyone in your household.
If you follow these tips, a 100 lb magnet can be a simple, effective solution to keep your door closed without complicated hardware.
Author Profile
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I’m Daniel Garcia, the voice behind mododc.com. Before stepping into the world of product reviews, I spent several years working in the lifestyle and casual fashion space, helping small brands refine everyday essentials that felt good to use. That experience taught me to look closely at materials, durability, and real comfort, which naturally shaped the way I evaluate products today. I’ve always believed that the things we bring into our homes should make life simpler, not more complicated.
In 2026, I turned that belief into this blog. Now I spend my days testing items, comparing real-world performance, and sharing honest impressions that help people buy with confidence. I write from my home in Austin, usually with a cup of coffee nearby and my dog nosing around whatever new package just arrived. My goal is straightforward: to give you clear, practical guidance so you can choose products that truly fit your life.
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