Red Gumball Knob & Adapter For Corvette Auto/Automatic Gear Shift Lever Selector for Chevrolet Corvette These knobs are NOT painted. The color will NEVER rub off or lose its shine! Perfectly sized at 2 1/8" diameter, the 4oz design feels ROCK-solid in your hand. Made in the USA. Sickspeed is proud to be America based, and American owned!