At first I must have overlooked it in the description, but there are 4 caps in this set that only fit on the safety bolts. My car doesn't come with them so I couldn't use 4 out of 20 but that was fine as I had a few originals lying around. So if you need to replace all 20 caps, make sure you order the correct product. They fit great, are very durable and look just like the OEM covers. Friction lands on them just right. They held up even when they rode gravel roads so aggressively that the gravel had time to scratch and split the wheel and rim, but they stayed in place and didn't get hurt. If I still lose some I will definitely buy them because of their great value.