Description Our truck wheel screw balancing rings are essential tools for ensuring your truck's wheels are aligned and balanced. These tools are designed to fit medium steel positioning rings and lug nut positioning sleeves, making them ideal for heavy-duty trucks and semi-trailers. By using these tools, you can prevent uneven tire wear and improve the overall performance and safety of your vehicle. Features -Color:Black -Material:Steel -Size:2.30X2.30X1.60cm/0.90X0.90X0.63in (L) -Size:2.50X2.50X1.00cm/0.98X0.98X0.39in (S) -Large Size for Large Truck: 22 mm (Inner Diameter), Outer Diameter: 26 mm -Medium Size for Large Truck: 22 mm (Inner Diameter), Outer Diameter: 25 mm -Small Size for Large Truck: 22 mm (Inner Diameter), Outer Diameter: 26 mm -Light Truck:20 mm (Inner Diameter), Outer Diameter: 24 mm -Material: made from steel, this product is practical and offers excellent compressive strength, ensuring longlasting performance. -Precision alignment: ensures accurate alignment between the truck tire and the vehicle hub, enhancing driving stability and safety. -balancing sleeve design: effectively balances the weight distribution of the truck tire, reducing vibrations and noise for a more comfortable driving experience -Vehicle compatibility: highly compatible with various truck and semitrailer hubs, making it widely applicable in the logistics and transportation industry -Easy installation: simple and convenient to install without the need for professional tools, saving time and labor costs Package list: 1 x wheel screw positioning sleeve (L) 1 x wheel screw positioning sleeve (M) 1 x wheel screw positioning sleeve (S) 1 x wheel screw positioning sleeve (light truck)