Blue Ol' Skool Shift Knob For 5 Speed Short Throw Shifter Selector 10X1.25 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. Made in the USA! Sickspeed is PROUD to be American based, and American owned! Installs in seconds!