Logitech RomerG G512 control CTRL button
Free     Myminifactory     mrCharles

Logitech Romer-G G512 control (CTRL) button

Mine broke so I made a new one turned out very well for using a 4mm nozzle ...

similar models —

Logitech Romer-G G512 control (CTRL) button alternatives
Push button enclosure
ralphzoontjens