Guy's Magnets 3 mm x 3 mm x 1 mm Tin plated neodymium block

+/-0.1mm manufacturers tolerance on any dimension Magnetised through the thickness so that one 3x3mm face is north and the other is south

Guy's Magnets 3 mm x 3 mm x 1mm N52 neodymium block

+/-0.1mm manufacturers tolerance on any dimension Magnetised through the thickness so that one 3x3mm face is north and the other is south

Guy's Magnets 8mm x 3mm x 1mm N52 High Grade neodymium block

+/-0.1mm manufacturers tolerance on any dimension Magnetised through the thickness so that one 8x3mm face is north and the other is south

Guy's Magnets 3 mm x 3 mm x 20 mm neodymium block

+/-0.1mm manufacturers tolerance on any dimension Magnetised through the length so that one 3x3mm face is north and the other is south Note the pull and hold calculations are from the mathematical formula for this grade.  This does not take account of the fact that they can be more easily removed than expected as the length acts as a lever.

Guy's Magnets 3 mm x 3 mm x 8 mm neodymium block

+/-0.1mm manufacturers tolerance on any dimension Magnetised through the length so that one 3x3mm face is north and the other is south