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。