Keeping you Ready for the Road Ahead™, the Stemco Zip-Torq® Axle Spindle Nut is the perfect solution for quick and effortless removal and installation of axle nuts. Its single piece design allows for installation without special tooling. This axle spindle nut's integrated locking mechanism prevents back off. The Zip-Torq® offers maximum grip and torque, boasting compatibility with most automated installation equipment. FleetPride is your First Click in Heavy Duty®.