Red/Black Evil Jack Smiley Shift Knob For Hurst Short Throw Shifter 3/8X16 for Jeep Wrangler These knobs are NOT painted. The color will NEVER rub off or lose its shine! NO SET SCREWS! All-metal threads so your shift knob WON'T wobble or fall off. Perfectly sized at 2 1/8" diameter, the 4oz design feels ROCK-solid in your hand. Features an evil smiley, engraved and filled on the surface of the knob. Installs in seconds!