... steel 3.Long life time, most cars fit windshield wiper.B.clssic wiper blade1. Galvanized zinc steel frame reduces corrosion.2 ... .6. Atreak-free wiping.7. Easy installation.8. Size available: 12", 13", 14", 15", 16", 17", 18", 19", 20", 21", 22 ...