Round Disc Magnet Ø 120 x 50mm Neodymium N45 (NdFeB) Nickel - Force (Strength): 750kg - Super Strong Circle Magnets for Industry and Home : Amazon.co.uk: DIY & Tools
Super Strong Round Disc Magnets Rare-Earth Neodymium Magnet N35 50mm x 30mm | eBay
Amazon.com: Cfbjfq 1pcs Strong Round Dia 50mm x 30mm N52 N40 N35 Rare Earth Neodymium Magnet Art Craft Fridge 50x30mm (Color : N52 50x30) : Industrial & Scientific
Apex Magnets | 50mm x 10 mm x 5mm Block-Neodymium Magnets
1PCS 50x30 mm Big Thick Round Strong magnets 50mm X 30mm Permanent Neodymium Magnet Disc 50x30mm N35 Rare Earth Magnet 50*30 mm| | - AliExpress
5mm dia x 50mm thick Diametrically Magnetised N52 Neodymium Rod Magnet - 6.9kg Pull