Black Shift Knob Adapter Retainer For Manual Transmission - M12x1.25 Thread

This little black adapter from Serve4u2018 is just what you need if you're putting an aftermarket shift knob on your manual car.

It's a universal part that works with most non-threaded shifters.

The outer thread is M12x1.25, and the inner adapter diameter is 14mm (about 0.55 inches).

It's made from aluminum alloy and measures 55mm tall with a 20.5mm diameter.

Remember, this is only for manual transmissions!

It comes with a 90-day warranty.

Simple, solid, and it gets the job done.