The clamps body , keepers are malleable iron , the closed-pin is stainless steel work ,the other parts are steel. All ferrous parts are hot-dip galvanized.

• 线夹本体和压板为可锻铸铁件，闭口销为不锈钢制件，其余为铜制件。可锻铸铁件和钢制件热镀锌。