Specification: Inner Diameter(Vehicle Hub Size) :57.1mm / 2.25 Outer Diameter(Wheel Bore Size):65.1mm / 2.56 Depth: 10mm /0.39 Material:Aluminium Alloy Package Includes: 4 x Hub Centric Rings Improved Driving Experience: Eliminate vibrations caused by your wheels not centering correctly onto your vehicle's hub, resulting in a smoother and more comfortable ride. Unique Bargains 4pcs 72.6 mm to 57.1 mm Aluminium Alloy Car Hub Centric... The inside diameter is the size of the wheel hub on the vehicle you intend to fit the wheels. Easy to Install: Our Hub Centric Rings are easy to install and can be placed on any part of your vehicle - left, right, front, or rear. X AUTOHAUX 4pcs OD 70.1mm to ID 65.1mm Aluminum 57.1 To 66.6 Hub Rings Aazon.co: X AUTOHAUX 4pcs 65.1 To 57.1 Aluiniu Alloy Car Hub Alloy Wheel Hub Centric Rings Enhance Your Vehicle's Performance: By ensuring a perfect fit between your wheels and hub, our Hub Centric Rings can help improve your vehicle's overall performance and handling. Check out our 50th anniversary wine gifts selection for the very best in unique or custom, handmade pieces from our gifts for the couple shops Perfect Fit for Any Vehicle: Our 4pcs Aluminium Alloy Hubcentric Rings are designed to correct minor wheel and hub dimensions, ensuring a perfect fit for any vehicle with a 57.1mm hub that needs to adapt a wheel with a 65.1mm center bore (OD=65.1mm ID=57.1mm).