Double Sided Fishing Magnets 48mm

This is a double-sided salvage（fishing） magnetic system assembled with neodymium magnets. The size of the iron shell is 48x22mm.The gap between magnet and steel wall is filled with black or red epoxy resin.Three layers of Ni-Cu-Ni is the popular coating of double sided neodymium fishing magnets 48mm.They are supplied at cheap price,and with guaranteed pulling force.