Half red & half blue (for N & S ) spray painted, with keepers. Made of cobalt steel 12 x 6 mm - available in different sizes.
Bulk Manufacturers & Suppliers of U Shape Magnet Alnico with High Power. Exporters of U Shaped Alnico Magnets

Ltekonline are the manufacturers of U Shaped Alnico Magnet used to demonstrate engineering principles in Engineering Colleges, Engineering Schools and Physics Lab Experiments for Engineering Teaching Lab in Universities