Black Pearl Shift Knob For Manual Short Throw Gear Shifter Selector 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. Made in the USA. Sickspeed is proud to be America based, and American owned! Installs in seconds!