10x1.25mm Thread 6 speed JDM Drift White Shift Knob for Mazda Miata RX8 RX-8 JDM Racing White Resin, 6 Speed / 10x1.25mm Thread Pattern Brand New. Never Used. Never Installed. Made to Manufacturer Standards for easy Installation. NO drilling or tapping required. Shift Knob is 10x1.25mm and Might Fit Other Brands of Vehicles with same thread and shift pattern.