28 inch Vented Wiper Blades - The 68 Series wiper blade from TRICO is an all metal, heavy duty blade that features an aerodynamic vented superstructure. This is the blade that is utilized by TRICO as the O.E.M. blade on Class A recreational vehicles. It is also used on heavy duty trucks such as late model Hino, Mitsubishi Fuso and UD trucks. All TRICO heavy duty wiper blades feature durable metal construction and a heavy duty natural rubber wiping element for quality performance under demanding conditions. They also come with adaptors to permit easy installation onto competitive wiper arms. Dimensions: 28 inch Long. Single blade per package.