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TRYMAG’s 300-piece set of 18mm ceramic round magnets combines industrial strength with corrosion resistance and safe magnetism, perfect for crafts, DIY projects, science experiments, and office use. Each magnet features a double-sided adhesive backing for effortless installation on metal or non-metal surfaces, making it the go-to choice for millennial professionals seeking durable, versatile, and kid-friendly magnetic solutions.














| ASIN | B0C744LH8B |
| Best Sellers Rank | 180,897 in Business, Industry & Science ( See Top 100 in Business, Industry & Science ) |
| Brand | TRYMAG |
| Colour | Black |
| Customer Reviews | 4.3 out of 5 stars 4,273 Reviews |
| Included Components | magnets |
| Item Dimensions L x W x Thickness | 18L x 18W x 3Th millimetres |
| Item Shape | Round |
| Item Thickness | 3 Millimetres |
| Item thickness | 3 Millimetres |
| Manufacturer | TRYMAG |
| Manufacturer Part Number | 18x3 300p |
| Material | Ceramic |
| Material Type | Ceramic |
| Model Number | 18x3 300p |
| Number of Pieces | 300 |
| Product dimensions | 18L x 18W x 3Th millimetres |
| Shape | Round |
A**S
Great price
I am really happy with the price and performance of these magnets; these will be on reorder when needed Pros + Size as expected, see picture next to quarter. Size is great for refrigerator magnets + Versatility - has been used for footprint projects, pictures, and replacements magnets for clips + Stability - stays in one place when fridge door opens/closes but will move with min-moderate pressure + Adhesive - so easy to use and strong Cons + Durability - I had 2 magents in the pack come broken when delivered. Since being in my possession, the magnets have had a greater durability and none have broken Overall a very decently priced option to have on hand for numerous projects around the house
K**N
Worth the purchase
These magnets worked very well. However, they did not work for the application I purchased them for. They were too strong and were not appropriate for what I intended them to do. However, I do recommend this product if you are looking for an assortment of sizes with the ability to place a double sided tape to attach to one non-metal surface
K**Y
Excellent
This magnet is very powerful--exactly as described. Works great to hold a calendar on my refrigerator.
B**M
Thumbs Up Magnet & Self Adhésive
Just what I needed. Magnet is strong enough for my purposes (but not super strong).
O**E
Just what I need for my project.
I made chalkboard card stock labels for drying herbs in my dehydrator. I needed some magnets that wouldn't cause trouble for the electronic controls on my unit when I placed the labels on the door. And these ferrite style worked out great! Strong enough to hold without damage.
Trustpilot
2 weeks ago
3 weeks ago