800 gauss ferrite magnets. Accu-Band are the most popular acu-magnets. 24k gold plated 0.09â€³ x 0.2â€³ dia magnets with 0.8â€³ dia adhesive plasters. The bionorth (-) side contacts the body. This bionorth (-) side also features a tiny protrusion at the center of the magnet which provides additional stimulation to the point. Order consists of two packages of 12 magnets. Please note: The plasters used contain trace amounts of latex.