driver ball, excellent feel and quality Compatible With for Logitech G923/ G25 / G27 / G29 Manual Gear/for Thrustmaster TH8A Gear / for FANATEC SQ PXN A10 Gear Manual Shifter.Only Applied to ETS2& ATS games. Flexible High and Low Gear Switching ---- The Gearshift high and low gear handball head, can be used as a switch to quickly switch between high and low gears, including two switchers, up to 18 gears and a custom setting button for free setting. USB Plug and Play Independent USB cable, plug and play, easy to install. The Gearshift Knob is recommended to be plugged into the USB port on the PC,not recommended to be plugged into steering wheel.only supports PC windows system.Support win7 win10 and above PC system. Open the ETS2 / ATS game settings: option Controls(Keyboard+ManshifterSelect the Joystick Name of Manshifter) Transmission Select H-Shifter Shifter layout (Eaton Fuller 10/13/18 speeds,recommend 12 speeds)Shifter Toggle:1 Joy Button 1Shifter Toggle:2 Joy Button 2Shifter Toggle use Switch Mode Different batches may have different appearance, which does not affect use. Colour:Black Material:plastic+Metal Package Contents: 1x USB Gearshift Knob 1x adapter 4x rubber tubes (8mm, 10mm, 11mm, 12mm each) 6x hexagon socket set screws 1x M2.5 wrench Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.