The two super-strong SuperDym C20 magnets, cube design (20x20x20 mm), hold up to 25 sheets of A4 paper (80 gsm) on the Artverum Magnetic Glass Boards. There are super-strong neodymium magnets integrated into the polished aluminium casing.
 
	
Cube design
	
Format: 20x20x20 mm
	
Material: neodymium, highly polished aluminium
	
2 Magnets