FT-1973 FT-1976 FT-1979 FT1980N FT-1986 FT1998N FT1A-1.84320/30-30-30/27 FT1A-10.0/30-30-30/27 FT1A-11.05920/30-30-30/27 FT1A-12.0/30-20-30/17