TMS 54 inch Car Top Roof Rack Cross Bars Bar For Snowboard Kayak Canoe luggage Carrier For 4-door model cars, trucks, and suvs. Will fit on window frames. Can be used with other roof accessories such as bike rack, snowboard mountings, roof racks, etc Adjustable fitting for car roof width up to 53-3/8 Removable; designed to be used only when you need it mounting accessories included No drilling required cross bar dimension (inch): 54"(l) x 1-1/4" x 7/8" Load capacity: 150lbs (Subject to individual vehicle manufacturer's recommendations.) Alternative clamps included for better fitment