Pine and oak railroad wood ties with measures 7”x 8”x 8’, also available railroad wood ties for railroad turnouts with measures 7”x 9”x 8.5’ to 16’ and 7”x 10”x 12.5’ to 16’  Impregnated with creosote and meeting the ESPECIFICACION TECNICA PARA DURMIENTES, JUEGOS DE CAMBIO Y PIEZAS PARA PUENTES, DE LAS MADERAS DE PINO Y ENCINO issued by GERENCIA DE NORMATIVIDAD DE FERROMEX Y FERROSUR.