Bar Magnet for less

I bought a bar magnet on Ebay for $8, but I can get one at Magnets 4 less for only $3.99 and in quantity of ten only $2.50 which is a great deal. The Barium Oxide Bar Magnet is use with the HDR electromagnet to increase the strength of the field.

Do not place your Barium Oxide Bar Magnet near a credit card, floppy disk, VHS video tape, or any magnetic media as it can erase the contents and render them useless.