The 13, 15, 18 Chrome Speed Adapter With Thread-On Candy Red Pistol Grip Gearshift Knob is a practical and stylish addition to your vehicle. Made with an aluminum casting and featuring a chrome finish on the adapter and a candy red finish on the gearshift knob, this product adds a touch of elegance to your gear shifting experience. The 1/2 inch 13 thread-on adapter base is designed specifically for Eaton Fuller type shifters, and it comes with a removable thread lock for added security. Please note that this product is not compatible with models equipped with D-shape shift knobs.