Product Features:
Portable and easy to use.
Energy saving and reduce pollution helping.
Using plastic and environment protection.
Fits for all vehicles if you want to use it to repair your wiper blade.

Instruction:
Start your car and spray water
Clean the windshield with the wiper blade
Wiper needs to be repaired
Use the grinding surface to repair
Use a Towel to wipe
Use wipers to clean
No obvious traces of water after wiping