Which neodymium magnet should you choose? Overview by shape

Disc, block, rod, cube, sphere, ring, pot, hook, eye, fish or filter: a brief overview of every magnet shape, what you use it for and which guide will help you further.

By Magnetenspecialist
2 min read


Short answer: you choose a neodymium magnet first by shape and mounting, then by size, grade (N-rating), coating, and holding power. Below, you will find each shape, its typical use, and which guide can assist you further.

Overview by shape

Shape What is it for? Read more
Disc magnet Versatile, flat, and round; many applications Which disc magnet to choose?
Block magnet Flat contact surface, for example on a straight edge or in a slot Which block magnet to choose?
Rod magnet Elongated, for instance in a drill hole Which rod magnet to choose?
Cube magnet Equal sides, for example for building and experiments Which cube magnet to choose?
Sphere magnet Round in all directions Which sphere magnet to choose?
Ring magnet With a hole for a screw or axle Which ring magnet to choose?
Pot magnet Magnet in a steel pot, strong on steel Which pot magnet to choose?
Hook magnet Hanging things with a hook Which hook magnet to choose?
Eyebolt magnet Attaching with an eye, for example for a line or chain Which eyebolt magnet to choose?
Fishing magnet Fishing for metal with a rope Which fishing magnet to choose?
Filter magnet Removing metal particles from a liquid or powder Which filter magnet to choose?

Next: grade, coating, and holding power

Still not sure?

Describe your application to the Magnet Specialist using the magnet advisor, or contact us. If ordered and paid for before 4:00 PM, items in stock are shipped the same business day.