1. Suitable :Fit For G29 G27 G25 for T300RS/GT steering wheel 2. Fit games: DiRT 2.0/4 , , EST, LFS. Project Cars, assetto Soft reminding the USB shifter is not compatible with horzion 1-5 version in steam . 3. system, regardless of the type of base used, can be matched. USB plug and play please plug it to your PC usb port not into the steering wheel, Install tips 1.Plug the USB into your PC please do not plug it to steering wheel, plug it to you PC USB Port 2.check if there is a device with the name (H7R) in the (Settings USB Game Controller) of the computer,driver-free on win10. win7, xp 4. All metal main body except for the panel. Stainless steel internal main structure, shell-aluminum alloy base, stainless steel gear lever. 5. The diameter of the ball head is 50mm; the black ball head is not smooth as a whole with a small amount of slip marks, the ball head can be replaced by itself, and the rod thread is m8. Colour:Silver Material:Metal Package Contents: 1x Sim Racing Games H Gear shifter 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.