Fitment: This jack stand is custom-designed to fit 2.0 inches square tube square jacks, featuring 5 reserved mounting holes for a tight connection. No tedious modifications required Function: Works as a reliable backup for lifted vehicles- after raising your vehicle to the target height, place this stand underneath to bear the full vehicle weight. It effectively reduces accidental collapses during maintenance, ensuring your operation Materials: Crafted from high-grade steel, the stand boasts exceptional load-bearing capacity to handle heavy-duty use. Its surface is treated with a zinc-plated finish that forms a protective barrier against rust and wear, extending the product's working life even in harsh working environments Package: Each package includes 1 x Jack Stand (accessories and instruction manuals are not included). You can check the contents immediately upon receipt and deploy the stand right away without waiting for extra parts Installation: The stand requires zero assembly work-unbox it and put it into use directly. This user-friendly design saves your time and effort, making it suitable for both professional repair shops and DIY enthusiasts