A complete parts package included to use with competitive wiper arms.
These refills are manufactured to fit the original equipment wiper assembly, If this assembly has been replaced with anything other than an OE product the refill may not fit properly
Trico 61 Series Wiper Blades are designed for flat windshields, which are usually found on heavy duty trucks, school buses, step vans and recreational vehicles. An adapter package is included with each blade in order to install a flat shield blade onto a competitor's heavy duty wiper arm.