About the Product:1. Eliminate vibrations caused by the wheel not centering correctly onto your vehicle's hub.2. Around the protection fashion design, combined with the automobile tire protection technology, practical and beautiful coexistence.3. The product can be firmly adhered by using the adhesive aids. If the buyer himself has a better adhesive, it can also match.4. Made for Wheels with a 73.1mm center bore and vehicles with a 67.1mm hub bore. or Made for Wheels with a 66.6mm center bore and vehicles with a 57.1mm hub bore. Please choose.5. Please ensure the size of your car fit our item before purchase.What are hub-centric rings for?Most aftermarket wheels have a large center hub diameter so the wheels will fit a variety of different vehicles. The hub-centric rings are made to fill the gap between the wheel and the vehicles hub to ensure the wheel is perfectly centered. This not only makes installation of your new wheels much easier but will also help eliminate any vibrations you may encounter.How do I know which hub ring to choose?Hub rings are sized by using two different numbers that are measured in millimeters. The first number such as 73.1mm is the diameter of the center bore on the wheel and is the outside diameter of the hub ring. The second number such as 67.1mm is the diameter of the hub on your vehicle and is the inside diameter of the hub ring.Specification:Color: Black, YellowMaterial: PlasticInner Diameter: (Vehicle Hub Size) 67.1mm or 66.6mmOuter Diameter: (Wheel Bore Size) 73.1mm or 57.1mmPlacement on Vehicle: Left, Right, Front, RearItem included:4Pcs* Wheel Hub Centric RingsPlease ensure the size of your car fit our item before purchase. Motor Vehicle Wheel Parts Vehicle Wheel Parts