Prepare your truck or trailer to be Ready for the Road Ahead™, with the Stemco 1-3/4"-12 Pro-Torq® Axle Spindle Nut with Lock that secures the vehicle's axles. To deliver enhanced performance, this replacement nut locks the axle in place while maintaining the wheel bearing preload, and tolerating intense amounts of torque from large-sized vehicles. Fashioned with exact measurements and enhanced durability to provide easy installation with a socket on front and rear axles. FleetPride is your First Click in Heavy Duty®.