[Wind Noise Reduction Effect] The wind noise reduction bracket intentionally diffuses air flow, effectively reducing wind noise caused by roof racks. Please note that wind noise does not completely disappear and the effect of each car is different. [Compatibility & Series] This wind noise reduction bracket is an optional part for roof racks. [Compact Design] Effectively reducing wind noise without harming the appearance of your roof rack or car. Installation Notes: When installing the wind noise reduction bracket, please fix it in the position that best suits your driving conditions. Because the effect varies depending on the installation intervals, it is important to find the best position and fix it. Colour:Black Material:iron Package Contents: 3 x Noise Reducing Bracket Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.