EPMAN Aluminum Shift Knob Boot Retainer / Adapter For Manual Gear Shift M10X1.25 Black Made from aircraft grade billet aluminum, these shift boot adapters clean up the transition between any aftermarket shift knob and your OEM shift boot. Installs in seconds!! Keep your shift lever looking clean with this piece. Designed to work specifically with ALL Our store shift knobs. Thread pitch is M10*1.25 for the above listed vehicles