5mm x 1 mm x 1 mm Neodymium Magnet with Center hole Cartridge coils headphones G
Magnets in micro Sizes
5mm x 1 mm x 1 mm
Neodymium ring Magnet with Center hole
Turntable Cartridge / Stylus Builders and Repair
1 Dozen (12 count)
+/-0.1mm manufacturers tolerance on any dimension
Magnetised through the thickness so that one flat face is north and the other is south