finish & coating: natural finish, nickel plated, electro-tinned plated. size: rod dia- m6 to m200 dia with lengths upto 250m long & similar in inches. material specification: cw614n (cuzn39pb3), cw617n (cuzn40pb2), cw602n(cuzn36pb2as), cw511l (cuzn38as), cuphin (cuzn21si3p) or as per customer requirement. * no-lead manufacturing also available.