20 PCS Super Strong Neodymium Magnets 1-3/16"x1/4" Cylinder Magnets N45 Powerful Permanent Rare Earth Magnets Cylinder Rod Magnetic Pins for Multi-Use Science DIY Craft and Office Magnets, 30x6mm

20 PCS Super Strong Neodymium Magnets 1-1/16"x1/4" Cylinder Magnets N45 Powerful Permanent Rare Earth Magnets Cylinder Rod Magnetic Pins for Multi-Use Science DIY Craft and Office Magnets, 27x6mm

Realth Neodymium Magnet Cylinder, Rod Magnet Dia 1/4''×1/2'' 12 Pack, Magnetic Cylinder, Rare Earth Magnets Rod for Industrial Purposes (MC607)

BNTECHGO 28 AWG Magnet Wire - Enameled Copper Wire - Enameled Magnet Winding Wire - 4 oz - 0.0122" Diameter 1 Spool Coil Red Temperature Rating 155℃ Widely Used for Transformers Inductors