Fishing Magnets, 90 KG(200 LB) Pulling Force Strong Magnet Fishing, Neodymium Rare Earth Magnet with Lifting Eye-Bolt, Super Strong Round Magnet for Retrieving Items in Lake, Beach -1.76 inch Diameter : Amazon.co.uk:
Double Sided Neodymium Fishing Magnet, Combined Pulling Force, Super Strong Fishing Magnet, Perfect for Retrieving in River and Magnetic Fishing - Walmart.com
250 Lb. Pull Retrieving Magnet Lost Fishing Gear Scrap Metal and Nail Retriever | eBay
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
Neodymium Fishing Magnet 330 LBS Super Strong Pulling Force with Eyebolt for Retrieving in River and Magnetic Fishing, 2.36" Diameter and 0.6" Thickness: Amazon.com: Industrial & Scientific