you need a TR6 security screwdriver and a PH0 screwdriver... just follow theese steps: SteelSeries Arctis Pro 7 I did not need to replace the volume wheel! I sprayed a little bit of contact spray into the gap next to the volumewheel (you can see a littlebit of blue plastic in the gap, cushion side of volume wheel) Fixed the wolumewheel problem for me...