Honda 88 89 90 91 CRX Type-R Shifter Shift Knob Gunmetal Material: Aluminum with Gunmetal Finish Threads: 10mm and 12mm Dimension: 1-1/8" bottom diameter; 1-5/8" ball diameter; 2-1/2" tall Easy Installation Without Modification JDM Type-R Style; Designed for Manual Trans shifter