Guy's Magnets 20 mm x 6.4 mm x 5 mm countersunk neodymium ring

These are ideal for a range of holding applications Axially Magnetised through the thickness so that face with the countersink on is magnetised north, while the flat face is magnetised south +/-0.1mm manufacturing tolerances on any dimension Countersunk for an M6 screw

Guy's Magnets 10 mm x 6 mm x 2 mm N52 neodymium ring

+/-0.1mm manufacturers tolerance on any dimension Magnetised through the thickness so that one flat face is north and the other is south

Guy's Magnets 23 mm x 6 mm x 20 mm neodymium ring

+/-0.1mm manufacturers tolerance on any dimension Magnetised through the thickness so that one flat face is north and the other is south