The photos show everything. As far as I know, these are for the models and years in the title. I could be wrong, they may fit these models and these years and/or others. Again, I do not know, all I know is that they are for a Cadillac, as you can see. I am counting on you knowing, when you look at them and cross-check the number, whether these are what you need for your vehicle. There are no returns. You can see some add-ons to these center caps. I am assuming they are a locking mechanism of some type, I cannot find any others with this particular feature, so I could be wrong. These are how they were when I acquired them and these are how they will come shipped to you. I have no clue what else they would be, if not locking mechanisms. I do not have a key. These are daily driver quality, not show quality. They come with the typical scuffs that you might expect. I am told that the face of these are machined aluminum ( Not a guarantee). The backsides are plastic. Not a lot more to add to the photos, they are the description and they show the condition. Please use the zoom feature and ask any questions you may have. THESE WILL SHIP USING UPS, FEDEX OR USPS, WHICHEVER I SELECT AT TIME OF SHIPPING.