$ 14.00 CAD
A neodymium magnet is the most widely used, and the N52 grade is the strongest of permanent magnets available commercially. In addition, the nickel coating protects against corrosion.
Hygienic magnets are the perfect solution for hanging shadow boards.
The magnet discs are 1" in diameter and 1/4" thick.
The maximum pull force is 38 lbs!