MIN CI 50 Pcs Super Strong Neodymium Magnets Disc, 15 x 3 mm Decorative Round Fridge Rare Earth Magnets, Fun Small Refrigerator Magnets for Whiteboard, Cute Locker, Crafts Dry Erase Board
Condition: New
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Availability:
In Stock.
Arrives
Monday, Nov 2
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At a glance
- Condition
- New
- Size
- 15mm x 3mm 50 Pack
- Model
- RareEarthMagnets15X3mm
- Color
- Silver
- Material
- Neodymium
- Shape
- Round
- Item Thickness
- 3 mm
- In the box
- NeodymiumMagnets
Features 5
- Ours are neodymium strong magnets heavy duty, which have big suction, there are a variety of sizes to meet your needs, support custom sizes
- Three-layer electroplating makes the appearance of the magnet more durable
- Widely used magnets in your daily life or work, crafting, jewelry, photos, greeting cards displaying, even magnet projects and more
- Multifunctional Strong Magnets Push Pin: Can be used as locker magnets, magnets for fridge, calendar, map, kitchen, billboard, dry erase board in home, office
- MIN CI is a manufacturer of neodymium magnet, we can provide magnets in different sizes
Description
Continuously Promote The Development Of Magnet Performance, Durability And Quality. Slide The Image To Browse More Magnets. Widely used magnets in your daily life or work: crafting, jewelry, photos, greeting cards displaying, even create DIY magnets projects and more.
Specs 15
| Material | Neodymium |
|---|---|
| Brand | MIN CI |
| Product Dimensions | 0.59"L x 0.59"W x 0.12"Th |
| Color | Silver |
| Shape | Round |
| Brand Name | MIN CI |
| Number of Items | 50 |
| Manufacturer | MIN CI |
| Unit Count | 50 Count |
| Model Number | RareEarthMagnets15X3mm |
| Part Number | RareEarthMagnets15X3mm |
| Material Type | Neodymium |
| Item Dimensions L x W x Thickness | 0.59"L x 0.59"W x 0.12"Th |
| Item Thickness | 3 millimeters |
| Number of Pieces | 50 |
No specs match.
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If you place your order now, the estimated arrival date for this product is:
Monday, Nov 2
Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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Top Amazon Reviews
Nice and strong, feel like maybe N42
I have worked with quite a few ultra-powerful neodymium magnets in the past 3 years, some of which are outright dangerous if handled recklessly, such as strong enough to crush fingers that get in the way, or outright lift refrigerators and small steel engine blocks. This is not one of those kind of magnets, but I still treat all neodymium permanent magnets with respect for safety. This was the perfect size to replace the anemic weak magnet in the antenna for a cellular network access "fail-over" device, so it would stay put on a vehicle or in a portable application in high winds. The original antenna underwent "sudden violent separation" from a car roof, followed by high velocity contact with the highway surface and dragging by its attached coaxial cable, accompanied by multiple secondary impacts with pavement and the side of the car until the driver was able to come to a stop after about 400 feet. Pieces of debris from the antenna base were recovered from the highway, bagged, and taken home to see if there was any hope of repair; not due to the cost - only a $25 antenna - but the 6 to 8 weeks of supply chain delays to acquire a replacement. Following examination of the debris, it was quickly determined that the tiny magnet used in the base during manufacture was woefully inadequate to hold it to the roof of a vehicle at highway speeds. A small mold was made to replicate the shape of the plastic base, the recovered fragments were placed approximately where they would have been before the accident, the metal parts were verified to still have electrical and RF integrity, and a small amount of resin was poured to reconstruct the base. The steel cup in which the original magnet had been placed, was measured for inside bottom diameter, as was its depth with a machinist's gauge. With sufficient cup clearance calculated to maximize magnetic field strength out of the bottom, these magnets were selected and ordered as the best fit and likelihood of sufficient strength to upgrade the base holding force to an acceptable performance level in the field. While the magnets were en route, the antenna system was tested with a rather expensive microwave antenna and feedline analyzer, and determined to be still functional within the cellular 4G spectrum. The empty cup was filled with JB Weld epoxy (which although it contains steel powder and is slightly magnetic, does not divert more than a few percent of magnetic flux). This was used to "pot" the magnet so when removing the modified rebuilt assembly from a car roof, it will stay firmly attached to the antenna and not the car. 24 hours later once the epoxy had fully cured, the repaired unit was placed on the car roof, with a camera anchored nearby to observe it. The antenna analyzer was connected to the coax, and set up to monitor impedance and reflected energy in the center of the 4G cellular spectrum, and the unit was taken on a test drive. The first leg consisted of about 2 miles of incredibly rough dirt road, which subjected the unit to extreme vibration, which should induce microscopic very fast separation and gap closure over millisecond intervals, which can cause data errors and "chopping" of voice over IP. The magnet was strong enough no significant signal degradation was observed. The second leg was about 4 miles of secondary road at between 35 and 50 mph. The final leg was 10 miles out and 10 miles back of highway between 75 and 80 mph to observe aerodynamic behavior and the magnet's ability to overcome these forces. The magnet passed with flying colors. Most people won't use them for this, but it worked well. I'm going to put another one in a TV remote so it stays put on a steel cabinet when not in use, and the cats can't hide it under furniture.
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Reviewed in the United States on August 1, 2023 by John Galt
Powerhouse of a magnet
I’m honestly so impressed with this pack of magnets! I wasn’t expecting them to be this strong — but they hold up everything I need without slipping or sliding. I’ve only used them on the fridge because I'm currently in a DIY magnet phase. They’re small, sleek, and surprisingly powerful for their size. If you’re tired of weak magnets that can barely hold a piece of paper, these are a total game-changer. Great value, great performance, and just super reliable. Highly recommend this pack!
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Reviewed in the United States on October 27, 2025 by jennie
Perfect for fridge magnets.
Size: 6mm x 2mm 60 Pack
Purchased these to make some fridge magnets. They were packaged well enough that no magnets were damaged. (Magnets can be brittle.) These are on the small side, but they are mighty! I was surprised how strong these were. I definitely recommend these if you need this size magnet. Good value. Worked perfectly for my fridge magnets.
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Reviewed in the United States on January 20, 2026 by Cole
Super Strong 🧲 Magnets!
I've purchased "neodymium" magent in the past and have been very unsatisfied! Not actually the materials as described. These are The Real Things"! Real Neodymium "coin" magnets. I use them for various applications: I fly a flag 9n my porch railing, a few of these placed on the bottom corner keeps the flag from flapping out of control into my vines and structure which causes damages. One Very Important Point: please, PLEASE take care when placing these very strong magnets into a box or container... they Are Very Strong, if left to "attract" against another or other metal/ stone/ gard, durable material -- THEY CAN SHATTER! NEVER EVER place one on one side of your body with another onto opposing side! NEVER leave in a small child or unresponsable person, they ARE NOT TOYS ON THEIR OWN! If they suddenly slam into each other they can shatter, leaving sharp pieces, causing injury! We Don't want/ need that! I'll also be using these to attach various items onto my steel refrigerator doors for quick, easy access. Again: Not A Toy!
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Reviewed in the United States on April 7, 2023 by vRöd
very strong pull but quite easy to break
Size: 20mm x 3mm 30 Pack
they're very strong magnets as far as magnetism goes, but they're fragile in structure. if you let two of them accidentally slam into eachother, you're going to end up with more magnets than you started with.
Reviewed in the United States on February 6, 2026 by matty
Strong!
Size: 6mm x 2mm 60 Pack
Super strong hold for the size, I love them!
Reviewed in the United States on June 30, 2026 by Michael A.
Too Small for Kids Crafts
Size: 6mm x 2mm 60 Pack
The magnets are strong, but much smaller than expected. They work fine for light projects, but are too tiny for most kids’ crafts.
Reviewed in the United States on June 12, 2026 by StephZ
These are very strong for the size
Size: 20mm x 3mm 30 Pack
I use these for 3D printing. They are very strong, even for these types of magnets. If you lose control when you are handling them they will slam together and shatter.
Reviewed in the United States on January 21, 2026 by Alan