VACUUMSCHMELZE GmbH & CO. KG. " VAC " HQ. Hanau in Germany VAC S-no.T60006-L2019-W838 ( 19x15x10 mm ) VITROPERM 500F-NanoCrystalline Toroidal Cores, Packing Unit = 648 pcs. MOQ.= 10,368 pcs.