DescriptionMade of aluminum alloy , which features is strength and offers good corrosion resistance and can serve you for long time.Aluminium alloy hub rings, heat resistant so it will not melt in even the most extreme driving conditions.Features-Color:Silver -Material:Aluminum alloy -Size:7.00X7.00X1.20cm/2.75X2.75X0.47in -Center Bore: 66.45 mm to 57.1 mm.-Eliminate vibrations caused by the wheel not centering correctly onto your vehicle's hub. - Simple design and fine craftsmanship, convenient for you to replace the worn hub centric rings. - 66.45 is the diameter of the hub bore on the wheel you are using and is the outside diameter of the hub ring. - 57.1 is the diameter of the hub on your vehicle and is the inside diameter of the hub ring. - High hardness, not easily deformed or damaged, you can also give it as a gift to friends or family with a car.