Coating: Zinc, Nickel, NiCuNi multi-layer, Epoxy, etc. Packaging : antimagnetic packing with iron sheets and foam. High ... plated with 3 layers of protective coatings - Nickel + Copper + Nickel (Ni-Cu-Ni), other options: Zn, Ni, Epoxy, Cr, Gold, etc. PerformanceMax Flux ...