It's action is insulation protection. The body made of high-intensity malleable iron, hot-dip galvanized.
主体材料采用高强度可锻铸铁，热镀锌防锈。
The clamp body and keepers are malleable iron, cotter-pins are stainless steel, 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，其余为钢制件、可锻铸铁件和钢制件热镀锌。
The body and wedge are malleable iron, the other parts are steel, all ferrous parts are hot-dip galvanized.
线夹的本体和楔子为可锻铸铁，热镀锌。其余为热镀锌钢制件。
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