This is a round magnet with hole, is made of rare earth neodymium. The specific size is 13mm in outer diameter, 8mm in inner diamter, 2mm in thickness. N35 grade pull strength is about 1.1kg. The higher the level, the greater the tension value. The direction of magnetizing is thickness, that means the North and South poles are on a plane. The tolerance is 0.03mm~0.05mm (according to you requirment), the mininum size we can reach 0.4mm.
If you want the different diameter rare earth neodymium ring magnet of 2mm thickness, please contact us and provide your requirment, some size we have spot sale, and if there are not spot sale, we can custom it for you, but the delivery time need more 5 days.
Other size of 2mm thick neodymium ring magnet:
30mm OD x 20mm ID x 2mm Thick Rare Earth Ring Magnet
32mm dia strong neodymium ring magnet thick 2mm hole 20mm
Finger ring strong neodymium magnet 25mm x 20mm x 2mm thickness