BAR MAGNETS, PLASTIC COVERED CERAMIC BAR MAGNETS
- These ceramic magnets have a plastic cover on them.
- The plastic cover allows one to wipe dirt right off these powerful ceramic magnets.
- They are colored half in blue and half in red.
- The colorful plastic provides a strong contrast to metal fillings, when used to demonstrate magnetic lines of force.
- They are available in pairs.
- They are supplied in a cardboard box.