a. Grade from N35 to N35EH b. Coating: Zinc, Nickel, Epoxy, Gold, Silver, c. Certificate: ISO9001:2008 ... , boron and other trace metals made alloy magnet, is the strongest magnetic rare earth permanent magnet, It is a high energy product (8MGOe ... , 28EH, 30EH, 33EH, 35EHDimension: CustomizedSpecificationsa. Grade from N35 to N35EH b. Coating: Zinc, Nickel, Epoxy, Gold, Silver, c. Certificate: ISO9001: ...