Note - These wipers are only recommended for poly windshield that are hard coated or glass windshields with a metal frame (hole must be drilled in metal frame). Un-coated windshields can easily scratch with the use of this wiper.
Manual wiper installation instructions for poly hard-coated windshields
Step #1
Ensure the best location on your windshield so there will be no interference with the operation of the wiper blade or manual handle.
Step #2
Apply masking tape to both sides of the windshield and mark your mounting location.
Step #3
Using a 1/2" step style drill bit, drill your mounting hole in the desired location.

Step #4
Remove the masking tape and install the wiper assembly.