Package Contains: As per your selection, Inner Circle Dimension: 24mm X 25mm, Weight Approx 5gm each bracket Enhanced Compatibility: Specifically designed and compatible with cars from Volkswagen, Skoda, Mercedes-Benz, BMW, and other compatible vehicles equipped with H7 headlight bulbs, ensuring seamless integration and compatibility. Secure Mounting: The adapter socket provides a secure and stable base for H7 HID LED headlight bulbs, preventing any movement or vibration while driving, ensuring consistent and reliable illumination. Optimal Illumination: By securely mounting HID LED bulbs, these adapter sockets help ensure optimal light output and beam pattern, enhancing visibility and safety on the road for both you and other drivers. Suitable for easy installation of LED and HID lamps/bulbs in the existing housing without any destructive modifications.