Clamps of metal; flexible tube connectors of metal; hose connectors of metal, in particular in the form of connection fittings for flexible tubes or corrugated hoses for protecting electric cables; hose connectors of metal, in particular in the form of connection brackets and connecting bends for flexible tubes or corrugated hoses for protecting electric cables, namely, metal conduits; tube clamps of metal; flexible tubes of metal , in particular corrugated hoses for protecting electric lines...