MAGNETICKS MAGNETICKS Cow Magnet, Ultimate Heavy Duty Steel Ring and Ferrite Magnet, Dia - 19mm & Length - 75mm, Black and Silver (Pack of 3) Multipurpose Office Magnets Pack of 3 Price
Master Magnetics COW-RUM5CX12 Cow Magnet, Ultimate Heavy Duty Ru-Master 5, Steel Ring and Ferrite, 0.75" Diameter, 3.375" Length, Black and Silver (Pack of 12) : Industrial & Scientific - Amazon.com
For cows, a magnet one day can keep the surgeon away – A new I don't know thing for curious kids – 2 New Things