Features: * Compatibility:Compatible with TESLA Model 3 2017 2018 2019 2020 2021 2022 shelves with glass roof. * Ready to Use Rods:Black matte powder coating wraps high-quality aluminum to ensure that the roof rack will not corrode during use and is durable. * Less Noise:Are you still bothered by noise? Our bar has an average decibel of 53dB at an average speed of 80km/h, which is the sound of a normal conversation. Compared with other products, it can provide a quiet use environment. * Anti-theft Design:The cross bar has a lockable function to ensure the safety of your belongings during travel. * Easy to Assemble:There is no need to drill holes to install the cargo bar, and it can be installed directly by following the product installation instructions. All accessories required for installation are included in the product. The upgraded wrench will not damage the glass roof due to excessive force. Note:If you encounter a wrong fitting, please contact us and we will replace it for you for free. Specification: Name: Roof Rack Cross Bars Material: Aluminum bar+ aluminum foot Load capacity: Maximum 165lbs Quantity: 2Pcs/set Colour: Black Packing included: 2 *Roof Rack Cross Bars Note: 1. Due to manual measurements and slight color variations, please allow 1-3 cm (0.4-1.18 inches) difference to suit different display settings. 2. Due to the light and screen difference, the item's color may be slightly different from the pictures. Please understand.