This clip is 16mm long. They do another very similar looking clip which is 22mm long. The clip is commonly used for boot and tailgate linings.
10x Audi Boot & Tailgate Lining Metal Trim Panel Clips- Interior Trim Clips
10x Audi Boot Tailgate Lining Metal Trim Panel Clips- Metal Interior Trim Clips
10x Metal Spring Trim Clips for Audi Boot & Trunk Lining- 22mm Long 4A0867276
10x Audi Plastic Trim Clips for Door Cards & Interior Trim Panels, & Covers
