Red/Black Rally Stripe Shift Knob Manual Short Throw Gear Shifter 10X1.25 K61 for Mazda Miata 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. Installs in seconds!