Diameter 22mm
Thickness 6mm
Thread M3 - M6
Weight(g) 9
Color black
Pull Force(Kg) 3.5
It's smallest rubber coated waterproof magnets that with internal thread mounting hole, standard size is 22mm in diameter and 6mm in thick, they hold about 3.5kgs, the thread range from M3 to M6.
Now the price of rectangular neodymium magnets is reasonable, if you have needs, please contact us.