![Amazon.com: Master Magnetics Heavy-Duty Ru-Master 5 Cow Magnets - 0.75" Diameter, 3.375" Length, Black and Silver, Pack of 3, COW-RUM5CX12 : Industrial & Scientific Amazon.com: Master Magnetics Heavy-Duty Ru-Master 5 Cow Magnets - 0.75" Diameter, 3.375" Length, Black and Silver, Pack of 3, COW-RUM5CX12 : Industrial & Scientific](https://m.media-amazon.com/images/I/61UE-xAlZRL.jpg)
Amazon.com: Master Magnetics Heavy-Duty Ru-Master 5 Cow Magnets - 0.75" Diameter, 3.375" Length, Black and Silver, Pack of 3, COW-RUM5CX12 : Industrial & Scientific
![Amazon.com: Master Magnetics Heavy-Duty Ru-Master 5 Cow Magnets - 0.75" Diameter, 3.375" Length, Black and Silver, Pack of 12, COW-RUM5CX12 : Industrial & Scientific Amazon.com: Master Magnetics Heavy-Duty Ru-Master 5 Cow Magnets - 0.75" Diameter, 3.375" Length, Black and Silver, Pack of 12, COW-RUM5CX12 : Industrial & Scientific](https://m.media-amazon.com/images/I/81AZsoyCz-L.jpg)
Amazon.com: Master Magnetics Heavy-Duty Ru-Master 5 Cow Magnets - 0.75" Diameter, 3.375" Length, Black and Silver, Pack of 12, COW-RUM5CX12 : Industrial & Scientific
![a): New rumen magnet, (b) Trapped metallic foreign bodies on retrieved... | Download Scientific Diagram a): New rumen magnet, (b) Trapped metallic foreign bodies on retrieved... | Download Scientific Diagram](https://www.researchgate.net/publication/263087415/figure/fig1/AS:613916858142728@1523380593129/Figure-1-a-New-rumen-magnet-b-Trapped-metallic-foreign-bodies-on-retrieved-magnets.png)