Bulk magnets with plasters. 12,000 gauss (Br) high strength rare earth magnets. An economical option that requires assembly before use as the magnet must be applied to the adhesive plaster. Each package contains 12 non-plated (NP) 0.06" x 0.2" dia magnets and 12 0.8" dia adhesive plasters. The bionorth (-) side of the magnet is marked with a small indentation.