

🧲 Elevate your projects with magnetic mastery—don’t get left behind!
This 4-inch diameter ferrite ring magnet from AOMAG combines a powerful 120 lbs pull force with robust ceramic durability and corrosion resistance. Designed with a large central hole, it’s perfect for industrial, scientific, and creative applications, offering versatile use from speakers to DIY crafts—all while delivering exceptional value compared to rare earth alternatives.







| ASIN | B007OXE3LI |
| Best Sellers Rank | #34,912 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #22 in Industrial Ceramic Magnets |
| Brand | AOMAG |
| Color | Black |
| Date First Available | March 25, 2012 |
| Department | unisex-adult |
| Is Discontinued By Manufacturer | No |
| Item Thickness | 20 Millimeters |
| Item Weight | 1.12 pounds |
| Item model number | 7-303578JFA |
| Manufacturer | AOMAG |
| Material | Ceramic |
| Number of Pieces | 1 |
| Product Dimensions | 3.93"L x 3.93"W x 0.78"Th |
| Pull Force | 120 Pounds |
| Shape | Round |
A**R
Perfect!
Very strong magnet and is exactly what I needed. Very well packaged and arrived in perfect condition. Thanks!
F**S
Got what I wanted. Thanks.
Got what I wanted. Thanks.
S**I
🧲
Not as strong as thought to be yet holds small metal screws & such
A**R
GREAT
GREAT
D**S
Reliability
Easy to use for different applications.
M**N
Donut shaped Magnets
These magnets showed up in perfect condition. They are impressively strong. I look forward to running experiments with them. I would definitly want to see their other product offerings. Thank you
S**N
Powerful High Quality
Strong powerful well made heavy duty magnet.
O**R
They chip really easy
They chip really easy
V**O
Ottimo
A**C
Strong ring
P**E
Bonne qualité
T**N
Strong magnetic
E**R
Ideal for what’s required
Trustpilot
1 day ago
2 months ago