Master Magnet 0.47 in. Neodymium Rare-Earth Magnet Discs (6 per Pack) 07046HD - The Home Depot
Loreso Fishing Magnet 550lb - Strong Neodymium Salvage Magnet with Eyebolt, Powerful Rare Earth Magnet for Magnet Fishing with a Magnetic Pulling Force of 550 Pounds ( 250 KG ) - Walmart.com