Strong Neodymium Bar Magnets with Double-Sided Adhesive, MIKEDE 12 Pack Rare Earth Metal Neodymium Magnet - 60 x 10 x 5 mm: Amazon.com: Industrial & Scientific
DIYMAG Neodymium Magnets with Hole, 100LBS Heavy Duty Round Base Cup Magnets for Wall, Rare Earth Magnets with Countersunk Hole and Stainless Screws for Hanging, Office, Craft-Dia 1.26 inch-Pack of 8: Amazon.com: