Replacement gear knob to fit Logitech Driving force G29/G27/G923/G920 Shifter
28mm diametre 85mm long.
Kit comes with Gear knob and Adapter.
Simply remove the cap on the standard shifter, uncrew and remove, then fit the adapter and tighten the original screw.
Finally screw the new Shifter knob on.
Please contact me with any questions