Compatible with modified G923, G25, G27, G29 manual gear shifters, Thrustmaster TH8A gear shifter, and FANATEC SQ, PXN A10 gear shifters. Designed for use with ETS2 and ATS games only. Features flexible high and low gear switching. The gearshift knob includes a high and low gear switch, functioning as a quick toggle between gears. Equipped with two switchers and a customizable button for user-defined settings, supporting up to 18 gears. Widely compatible with various shifter models. Includes an 11.5mm adapter plug with a hexagon screw design to fit different brand shifters, such as Logitech G25, G27, G29, G920; Thrustmaster TH8A; FANATEC SQ; and PXN A10. Suitable for any shifter with a shaft diameter under 11.5mm. USB plug-and-play design with independent USB cable for easy installation. The shifter knob is recommended to be connected directly to a USB port on the PC, not through the steering wheel. Supports PC Windows systems, including Windows 7, Windows 10, and later versions. Features a realistic driver-style ball knob with excellent tactile feel and durable build quality. Plug-and-play setup with no driver installation required. Designed for users who have modified G25, G27, G29, or TH8A shifters for ETS2 and ATS gameplay. The connector is made of aluminum alloy, compatible with mainstream electronic shifters on the market, supporting 12mm, 10mm, and 8mm connections. Compatible with brands including Logitech, Thrustmaster, FANATEC, Kraton, Laishi, and other equipment with matching specifications. Color: Black Material: Plastic and metal Package Contents: 1 x USB Shifter Knob Kit Note: Light reflection and display differences may cause slight variations in color between the image and the actual item. Measurement may vary by +/- 1-3cm.