For Audi: A3, A4L, A6L; Buick: Regal, Excelle, LaCrosse, TK-123

1. Compatible Bulbs: H7.
2. Material: metal.
3. High heat resistant.
4. Allow you to easily install the aftermarket LED headlight conversion kit without destroying the original socket.
5. Fit for Audi: A3, A4L, A6L; Buick: Regal, Excelle, LaCrosse