Single bi-pole assembly neodymium iron boron magnet assembly with a threaded central hole, making it ideal as a pick up or holding device for projects.
21-15406 - Block Magnet Neodymium 25X10X3mm - Pack of 4
Incredibly strong neodymium magnets can achieve greater holding forces than larger pot magnets. Because of their size and strength, they are perfect for projects, experiments, repair, and more.
21-15408 - Block Magnet Neodymium 25X10X5mm - Pack of 4
21-15414 - Neo-Hold Pot Magnet 22mm with M6 Thread
I have used MCM for many years and would give high recommendation for getting the job done right.