● structural difference with the traditional wiper wipers boneless wipers no bone bone bone wipers. Wipers combine modern and traditional boneless bone benefits, while a production wipers can also say with bone steel structure. ● traditional wipers work has multiple pressure points without integrated steel wipers use force point relatively uniform. ● When installing the replacement wipers on the car, no need to replace the wiper arm; and replacement wipers, you need to have wipers replaced together with the wiper arm. ● wipers on aerodynamic principles of design effects, while high-speed driving, the blade will not be lifted airflow, ensuring wiper clearer. Quality and standard size