Key Features Excellent Material: The tire balancer is made of high-quality aluminum alloy, so it is not easily deformed, strong, durable. Smooth and Safe: This tire balancer can easily and quickly detect the problem of your tires which brings a comfortable and more safe driving experience for you. Application It is suitable for hubs from 1 to 4 inches in diameter and is ideal for most cars and light trucks. How to Use Step 1 Adjust the Level Place the balancer on a level surface, check the position of the level, and center the level. You can adjust it by the 3 screws around it. Step 2 Mark the Position Gently place the tire on the unit and if the level is off, place the wheel weight in the appropriate position until the level moves to the center and then mark the position. Step 3 Add Wheel Weights In the marked position, place the wheel weight until the level moves to the center position and fix the wheel weight on the rim. Specification Style: Simple, Modern Material: Aluminum Alloy Color: Red, Silver Type: Balancing Machine Product Size: 60.96*29.21cm/24*11.5in Base Diameter: 29.21cm/11.5in Center Bar Diameter: 2.07cm/0.813in Hub Diameter: 3.8cm/1.495in Package Size: 49.5*35.5*18.5cm/19.49*13.98*7.28in Gross Weight: 10kg/22.05lbs Package Included 1* Tire Balancer 1* English Manual All Accessories for Assembly