Check compatibility before purchasing. Confirm that your vehicle bolt pattern matches one of the following: 4x100, 4x114.3, 5x100, 5x108, 5x114.3, or 5x120. If you have questions about compatibility, please contact us. Product features - 4 pieces of universal aluminum wheel spacers in thickness options: 3mm, 5mm, 8mm, and 10mm. - Fits bolt patterns: 4x100, 4x114.3, 5x100, 5x108, 5x114.3, 5x120. - Material: Aluminum, providing a balance of strength and lighter weight. - Function: Widens the wheel track width to help improve vehicle stability and handling. What it does - It can greatly improve the stability of the vehicle by widening the track, contributing to better control and safety. Why this matters - Compatibility with a variety of common bolt patterns enables flexible wheel upgrades. - Multiple thickness options allow you to select the right spacer size for your wheels and setup. - Aluminum construction offers durability with lower weight than many alternative materials. Use scenarios - Scenario 1: You are upgrading to aftermarket wheels with a different offset or bolt pattern within the supported range and need spacers to achieve proper fit and stability. - Scenario 2: You want to widen the wheel stance for improved on-road stability and handling on highways or during cornering, using the appropriate spacer thickness. - Scenario 3: You are mounting wider or different style wheels on a vehicle that uses one of the supported bolt patterns and need spacers to prevent rubbing and maintain safe clearance. Note - Please ensure correct torque guidance is followed during installation and that spacers are compatible with your hub bore and caliper clearance. If in doubt, contact us for assistance.