Apex RB-1512 Black Stingray Low-Profile Roof Rack Cargo Storage Basket Stores extra gear weighing up to 150 lbs on a vehicle roof Large mesh cargo storage area with 3 inch spacing between rungs Fits cross bars up to a maximum 1.75 in diameter 1.75 in square, 4.75 in x 1.125 in rectangle or oblong at least 3.87 in x 0.625 in Requires 27.5 in minimum distance between cross bars for proper cargo support 1 in Diameter heavy duty steel frame with 0.5 in diameter inner rung mesh