Ceramic Rectangular Magnet (C8 Grade 3) - 50mm x 50mm x 20mm thick - 14.99lbs Pull
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diollo 50mm x 50mm X 12.5mm Square Nickel Coated Magnet N35-Ni - Walmart.com
Amazon.com : Square Magnets Magnetic Tape Strip - 40 PCS Sukh Magnet Sheets Magnets with Adhesive Backing Magnet on One Side Self Adhesive on The Other Side for Fridge Organisation,Art Project,Classroom :
Three by Three Cube Mighties Magnets, Chrome (12-Pack) 20350 - The Home Depot