$64.99 Aiyima 10pcs Round Magnets Diameter 12*3MM With Hole 4MM Rare Earth NdFeB Neodymium Magnet 12*3 
40H Neodymium Ring Magnet with Zinc Coating for Tweeter Speaker - U-Polemag
High Energy Extra-Strong 3/4 Diameter Magnets, Assorted Colors, 12 per Pack - The ArmyProperty Store
