Material Forged aluminum alloy. CNC precision processing ensures accuracy and stability. Surface special technology and heat treatment enhance durability. Key benefits Provides additional clearance for larger brake calipers or wheels. Solves the problem of wheel friction brakes. Improves handling and stability during turning and at speeds. Installation The wheel nuts included with this kit are used to install the spacers to the vehicle wheel hub. No complicated tools are required; easy to use. The unique slots on the back of these wheel hub spacers make it easier to remove and reduce damage during use. Performance and appearance Wheel spacers for car modification can widen the wheelbase, increase stability when turning, and improve the driving experience, making the car more beautiful and adding a sporty style. Use scenarios Upgrading to accommodate larger brake calipers or aftermarket wheels that require extra clearance. Improving stability and handling when driving at speeds or through sharp turns. Achieving a sportier look with a wider wheel stance while maintaining driving comfort and control.