Mishimoto Ryan Tuerck Gear Knob (Universal) The result of a design collaboration between pro drifter Ryan Tuerck and Mishimoto this universal gear knob is made from forged aluminium CNC machined and hand painted. Designed to combine aesthetics ergonomics and performance this knob measures 87 mm high with a diameter of 31 mm and weighs in at 155 grams. IT comes with three different adapter rings for installation onto M8x1.25 M10x1.5 & M12x1.5 threads (Nissan Toyota Mitsubishi Subaru Mazda Subaru Honda & many more).