Package: 4PCS Push Through Center Cap. Stainless steel, polished and painted matte black. 3D Stamped R, laser engraved RHINOTUNING Easy installation: Push-through hubcap, Just push... If you are unsure, please contact us If you have any questions after receiving the goods, please contact us in time,We will solve the problem for you. Wheel Center Caps RhinoTuning 4 PCS 4.25 In Stainless Steel Wheel Center Caps For 4 25 In 108 Mm 740813 Corrosion Resistant Hub Caps RhinoTuning 108mm/4.25in Closed-on Push Through Center Caps For Trailer 108mm Center Caps Size: Push in closed diameter: 108mm/4., 25in, Internal height: 105mm/4., 25in, Total Height: 110mm/4., 33in , Compatibility for 4., 25 Trailer/Truck RV rims center bore 108mm 4.25in Stainless Steel Push Through Center Caps For Trucks Rust-proof, easy to clean, and built for long-lasting trailer wheel protection. 360° Electroplated Finish: Premium Carbon Steel Trailer Center Caps feature full internal/external chrome-plated coverage with salt-corrosion resistance, ideal for harsh weather.