If you have an older boat, this might be the wiper blade you need.Straight blade, with hook-and-catch style attachment. Fits to most standard wiper arms found on boats made before 1990.Does not work with AFI Standard or Deluxe wiper arms.Key FeaturesFits to most standard wiper arms found on boats made before 1990Hook-and-catch attachmentDoes not work with AFI Standard or Deluxe wiper arms11" and 14" lengths