Cap. W/SUNROOF. Bolt used to secure the Roof Luggage Carrier side Rail to its mounting point. Cap used to cover securing Bolts / screws for the Roof Luggage Carrier side Rail. Roof Luggage Carrier Cross Rail Bolt. Roof Luggage Carrier Support Bolt. Side Bolt. Support Bolt. Cross bar retainer screw. Joint. Slat. Included with: Cross bar, Support bar.