From my now closed factory. 50's smokin' skull. Baked enamel inlay on a spun aluminum knob. 2.50 dia. 1.50 high. Fits Hurst and G M muscle shift levers. 5/8 course threads. Will fit others using a little ingenuity. Example: Nylon plug drilled and threaded to ur lever. 20.00 bones 5.95 Priority mail. PayPal or M. O. Acerods@gmail.com