The latest Yakima car rack tower component--for superior fit on cars of the '90's! This specific item includes a set of four Q-Towers. They are also sold in pairs depending on the requirements of your car. The Q-Towers have quick-cam which makes installation a snap. The Micro-adjustment post allows you to fine-tune the tension of the rack to your rack. Ball and socket mechanism allows the rack to self-adjust to any roof[door geometry. The towers also include 4 measurements for tower placement tailored to your car's make and model. Other componets needed include Q-Clips and Bars. Click on the link above to access the Yakima Fit List to determine the Yakima Car Rack system that that fits your specific car.