DESCRIPTION and ,Never Used or Installed Material : Made of Aluminum Alloy Color : Red ,black,blue,silver Size : 150mm x 37mm x 20mm ( As picture show ) This Gear Knob ONLY Fits Automatic Transmission WITH Press Down Release Button Stylish and cool, unique, personalized and modified boutique. Direct OE Fitment or Replacement Easy to install and disassemble. If you can't install, please find a professional installation Comes With 3 Adapters Size ( 8M - 10M - 12M ) Instructions: 1/ Remove existing shift knob 2/ Select correct adapter and install over shifter 3/ Slide shift knob on to shaft , make sure release button works 4/ Tighten down with 3 set screwsNote: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.