INNO Stays with Keys and Locks for Fixed Points and Factory Tracks, Set of 4 (Black) A super easy to install component of Inno Racks roof rack systems featuring beautiful design styling and aerodynamic looks. For factory racks, the Inno TR Fit Hooks (sold separately; see accessory add-ons below) snap into the factory rack tracks, replacing the weak factory rack setup. The Inno IN-XR Stays then simply attach to the TR Fit Hooks. For these configurations simply connect TR Fit Hooks to rooftop fixed points or permanently installed tracks and then snap IN-XR Stays onto TR Fit Hooks. Inno IN-XR Stays also work with all permanently installed tracks and vehicles with pre-installed attachment points provided by the vehicle manufacturer. includes a 4 pack of Inno Locks for securing to car, minivan or pickup truck rooftop.