The Euclid 3-1/16" Left Side Wheel End Inner Cap Nut is designed to provide a secure connection between the wheel and the axle, ensuring the wheel is securely attached. This inner cap nut is designed for dual mounted steel and aluminum wheels applications. With its high quality construction, this inner cap nut will provide long-lasting performance and reduce maintenance costs and downtime for the vehicle. FleetPride is your First Click in Heavy Duty®.