Upgrade your shifting experience with the 1/2-inch-13 threaded gearshift knob that includes an Eaton Fuller-style 9/10 shifter adapter, designed for versatile fitment across a range of transmissions. This knob threads easily onto any standard 1/2-inch-13 shifter stud, and the included adapter allows it to work seamlessly with Eaton Fuller 9- and 10-speed shifters for a secure, comfortable connection. The thoughtfully designed grip improves feel, control and helps make shifts smoother and is available in black or american flag designs. Simple installation with the threaded fitment and adapter means you can personalize your cab quickly without the need for complex tools. Ideal for truck drivers looking to enhance both comfort and interior style, this gearshift knob blends practical function with a refreshed look in one straightforward upgrade.