NdFeb magnetic clasp for jewelry,
NdFeb magnetic clasp for jewelry description as following;
1. size : 4x4mm N35
2.hole;one is 1mm,other is 2mm
3. coating : gold plating
4. gauss ; 3700power, it is very sturdy when used in magnetic jewelry.
5.our magnet coating have passed spray salt test,it means our magnetic clasps has strong effect of anti-corrosion.
we also offer Ni,black epoxy coating.gunmetal .please kindly let us know your requirement