Upgrade your truck's interior with the Twisted ShifterZ Cummins Brake Knob. Available in black or white, with the option of a Cummins logo or red ball, this knob fits most makes and models. Sold individually, this brake knob is a practical and stylish addition to your vehicle. Most Twisted ShifterZ shift knobs require a new adapter, so be sure to review the adaptor options to ensure a perfect fit. Add a touch of personality to your truck's interior with this durable and eye-catching brake knob.