Round strong office magnet made with plastic case and disc neodymium magnet with diameter 18mm and 8mm height.Have very strong force,they can hold about 22pcs of A4 paper on white board.Normally done with black,red,white,blue,yellow and green colors.See below table of specifications.Custom package is possible.You can send me details.
Model
Dia18 x
H8
18
8
3.5
22 pieces