Electric chokes Ballast are manufactured used 28 Swg.coated aluminum wire, 1200 turns, resin based to operate on 240/250 cy.AC.0.5 Amps and open type copper chokes using 28 gauge Copper wire with 750 turns, also to operate on 240/250 cy.AC, 0.5 amps. Both products are guaranteed for quality and free replacement effected immediately on receipt of rejected pieces without question. But the rejections should be accompanied by the nature of defects noticed and the customers view/advice how to avoid or im0rove the situation to ensure consistent quality/service. Weigfht 600 to 650 gms. 1.25"x3.5"x2cms.Ht.