20mm x 3mm x (5mm Hole) Disc Countersunk Epoxy Neodymium Magnet N42 (Pull 4.21KG)
16.6mm dia x 5.1mm thick x 4.2mm c/sink Rubber Coated N42 Neodymium Magnet - 1.9kg Pull (North/South)
ZDYWY 10 Pieces 20 x 5mm with 6mm Countersunk Hole Permanent Disc Rare Earth Fastener Magnets Refrigerator Neodymium Magnets - 0.79 inch D x 0.2 inch ...