Neodymium Ring Magnet – 20mm (OD) x 12mm (ID) x 5mm (H) | N38 H_18mm This rectangular block magnet measures

This rectangular block magnet measures 40mm in length

used in conjunction with ring magnets

Some of these maintenance locomotives house powerful ferrite block magnets like these 150mm long

simply wipe clean and reuse again and again

It has a magnetic flux reading of 6034 Gauss and a pull force of 5

Neodymium Ring Magnet – 20mm (OD) x 12mm (ID) x 5mm (H) | N38 H_18mm This rectangular block magnet measuresThis Neodymium Ring Magnet (20mm outer diameter x 12mm inner diameter x 5mm thick) is manufactured from high performance Grade N38 rare earth material, delivering exceptional magnetic strength in a compact form. Its ring design makes it ideal for applications requiring secure fastening, alignment, or rotational movement around a shaft or bolt. This magnet is identified by product code R OD20H5ID12 N38. Engineers, manufacturers, and hobbyists value