Hurst 4-speed shifter knob features solid high gloss, high strength plastic with logo. This replacement shifter knob is molded in metal thread insert. Material of the knob is made of plastic with white high gloss finish. Style of the knob is round with manual 4-speed knob shift pattern. Size of the thread on knob attachment style is 3/8-16 thread. Jam nut is included with this replacement shifter knob. Park release button, momentary switch, overdrive activation switch and light is not included with this replacement shifter knob. It is sold individually.