Equip your semi truck to be Ready for the Road Ahead™, with the Fuller- Transmissions Aluminum Composite Gearshift Lever Knob, a key piece that allows for the efficient change of gear speeds. To ensure operators can quickly change gear speeds, this replacement knob is built with an ergonomic design for easy handling and control. Fashioned with high-quality aluminum to withstand constant use and pressure from regular shifting. FleetPride is your First Click in Heavy Duty®.