Due to its high level of permeability, reduced losses and its high price, nickel-iron alloy is used for the production of magnetic wound cores with high quality shielding. OMEM supplies nickel iron cores with a nickel percentage of 78/80% and in various thicknesses and qualities. SHAPES - Toroidal cores - Cut toroidal cores - Square shaped cores - Oval or stage cores - Array section cores - Misc. geometric cores