Description Description: Features: This roof rack clamp securely holds your double layer roof rack during travel Material: This roof luggage rail clamp is made of metal material, which is strong and wear resistant to ensure long term performance and reliability Size: This used to fix double luggage rack is small, compact, and strong enough to bear heavy objects. Lightweight, easy to carry and store Easy to install: The car top luggage holder clamp is easy and convenient to install and remove, saving time and effort. It is weatherproof and suitable for outdoor use Function: The reinforcement bracket can firmly fix the car luggage rack. It is suitable for cars with double layer luggage racks and can easily and stably support the left and right sides of the luggage rack Specification: Material: Metal Size Chart: 12 cmx6.5 cm/4.72 inchx2.56 inch Package Includes: 1x Roof Rack Clip (with anti scratch sticker) Note: Please allow slightly errors 1-2cm/0.39-0.79inch differences due to manual measurement.