Red/Black Rally Stripe Shift Knob Manual Short Throw Gear Shifter 10X1.25 K61 for Mazda MX-5 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!