【Material】 High Quality Aluminum, never break, never bend, offer a tighter fit. Benefits 2] Aluminum hub rings, heat resistant so it will not melt in even the most extreme driving conditions. [Vehicle Specific Fitment] Fit for any vehicle with a 64.1mm hub that needs to adapt a wheel with 73.1mm center bore, Please ensure the size of your car fit our item before purchase The inside diameter is the size of the wheel hub on the vehicle you intend to fit the wheels to. Aluminium Hub Centric Rings, 73.1 - 70.6, Pack of 4, FREE postage AUSWIDE Vibration Reduction Wheel Spacers Aazon.co: BRONEVO 60.1to 73.1 Hub Centric Rings,ID=60.1 OD=73.1 Wheel Spigot Rings 【Specification】 Inner Diameter: (Vehicle Hub Size) 64., 1mm; Outer Diameter: (Wheel Bore Size) 73., 1mm; Depth: 10mm. Material: Aluminum Alloy · Color: Silver Tone · Inner Diameter: (Vehicle Hub Size) 64.1mm · Outer Diameter: (Wheel Bore Size) 73.1mm · Thickness: 10mm/0.39 【Vehicle Specific Fitment】 Fit for any vehicle with a 64., 1mm hub that needs to adapt a wheel with 73., 1mm center bore, Please ensure the size of your car fit our item before purchase. Specification: Color: Blue Material: Aluminum Inner Diameter: (Vehicle Hub Size) 64., 1mm Outer Diameter: (Wheel Bore Size) 73., 1mm Depth: 10mm Item included: 4 x Aluminum blue hub rings Compatible with: Fit for any vehicle with a 64., 1mm hub that needs to adapt a wheel with 73., 1mm center bore.