Reporting question for Strain Relief - for 3/4" x 27/32" hole, 5/16" cord diameter

Product:
Strain Relief - for 3/4" x 27/32" hole, 5/16" cord diameter

Question:
How do you install it? What is the special tool? Why are the hole sizing dimensions wrong? Why am I ruining my chassis for this product?

Answer:
The proper tools are called strain relief bushing pliers. These strain reliefs are very difficult to install without a pair.