E97 Tone Hole Refacing Kit
Select tool that will cover Tone Hole COMPLETELY
Select Pilot that will fit inside Tone Hole and screw it in snugly
Apply pressure to the top of the tool while pressing down on the concave hex button on top of the tool.
Rotate tool back and forth using your thumb and middle finger, or by using the wrench on the concave hex button.
** this tool can be cleaned with a toothbrush and water.