KDL Gear Shift Knob Cover Universal Cars Dangba Modified Metal Gear Shift Lever Gear Stick Adaptor Head MOMO Manual Automatic Gear Head Size: diameter 1.5cm, length 8.5CM, width 3.2CM. Ergonomic design for a comfortable grip. With 3 Plastic adapters(8mm,10mm,12mm) for easy fitment No modification required, directly upgrade your original knob