Car Top Luggage Cross Bar

Details Features:   - 49"   x 3" x 9.5" Car top luggage cross bar with T-slot, suitable for   most vehicles with stock roof top side rails that less than 2 3/16" (5.5   cm) in width (DO NOT fit models with flush mounted roof rails)     - Adjustable Clamp Distance   (inside to inside) - up to 43 1/2"     - Safe Use - Anti-theft locking   system for luggage safety with keys     - Easy installation - Direct   clamp-on design with no drilling requirement      - Durability - High quality   aluminum cross bar with solid ABS clamps for corrosion-resistance and long   lifespan     - Can work with other   accessories (like cargo basket carrier/bike rack) to hold things on roof       Specification:   - Overall   Dimension(LxWxH): 50" x 3 3/8" x 3 3/4" (127 x 8.5 x 9.5 cm)     - Bar Dimension(LxWxH): 47   1/4" x 2 3/16" x 1 1/8" (120 x 5.5 x 2.8 cm)     - Max Clamp Distance: 42   1/2" (108 cm)     - Max Fit Slide Rail Width: 2   3/8" (6 cm)     - Compatible with square bar   size(WxH): Less than