Thule Flow Roof Box Optimized airflow around the box thanks to aerodynamically streamlined design. Plus fits your car roof perfectly with a roof-hugging baseline Developed specifically to transport skis, poles, and snowboards, taking skis up to 210 cm Fast and secure fitting using one hand only due to pre-installed power click quick-mount system with integrated torque indicator Convenient mounting, Loading, and unloading with dual-side opening Fits Thule AeroBlade, SquareBar and most aftermarket racks. See Thule Buyers Guide for complete list of vehicle fits