20 X Door panel clips.
Used on some GM trucks and Hummer etc BUT NOT ALL
Check BEFORE YOU BUY - that the clips you need to replace are 100% identical and also check the sizes - These are not the only clips used - It is just one of the types so you need to make sure it is this type you need before you buy.
Top head diameter: 19.4mm
Middle head diameter: 19.4mm
Lower head diameter: 18.4mm
Total Length 25.6mm