1、The principle of Frame wiper blade is through a number of support points on the skeleton of the wiper film on glass, so the rain each strong point scraping pressure on the average.
  
    2、 bone Wiper through metal trunk, step by step to several fixed points uniformly applied force to rubber sheet is pressed on the glass.
 
    3、 power transfer order is: the main arm, the main strip, two layering, layering, scraping.
  
    4、 Easy installation, no need to replace the wiper arm, just install it manually, without the use of other tools.
  
    5、different sizes for you to choose, suitable for different U-shaped hook interfaces cars.