FITMENT * To fit most vehicles with manual transmission Only * Adapter Include: M8 x 1.25, M10 x 1.25, M10 x 1.5, M12 x 1.25 (PLEASE CHOOSE THE CORRECT ADAPTER FOR YOUR CAR TO MAKE IT FIT) DESCRIPTION * 100% Brand New and Never Used * Made of High Quality of Acrylic Material * Measurement: 2.12 inch Diameter. (54mm) * M8 M10 M12 Thread to Fit Stock Aftermarket Shifter. * Original Adapter is M12 x 1.25 * Made Of High Quality Acrylic Material. * Color: Rainbow * Easy Installation. OEM Fitment and Quality. * Direct Replacement and No modified Needed * Come with 3 Additional Adapter M8 x 1.25, M10 x 1.25, M10 x 1.5 for installation * Very Comfortable and Easy Grabs while Changing Gears * Upgrade the JDM Sporty look for your Car INSTALLTION * Remove existing shift knob * Select correct adapter and install over shifter * Slide shift knob on to shaft , make sure release button works * Tighten down with 3 set screws PACKAGE INCLUDE * Ball Shift Knob x1 * Adapter X3