The Stemco 1-1/2" - 12" Steer Axle Zip-Torq Nut is designed to provide a secure and reliable connection between the wheel end and the axle. This unitized spindle nut features a patented self-locking ratchet system that ensures the wheel end is securely fastened and prevents back off. The Zip-Torq nut consistently delivers accurate endplay settings and eliminates the need for re-torquing. This nut is made from high-quality materials for long-lasting performance. FleetPride is your First Click in Heavy Duty®.