RB-1512 Low-Profile Roof Cargo Rack - The Stingray roof rack basket easily attaches to existing cross bars to provide extra storage space on the roof of your vehicle. Maximum 150 lb. storage weight capacity. Sturdy low profile design with easy assembly and mounting. Optional wind fairing (RB-1512-FR) sold separately. Mounting requires round cross bars: 1. 75" in diameter, or square cross bars:1. 75" wide x 1. 75" thick, or rectangle cross bars: 4. 75" wide x 1. 125" thick. The minimum distance between cross bars must be 27. 5" Stingray Low-Profile Roof Rack Cargo Storage Basket * Stores extra gear weighing up to 150 lbs. on a vehicle roof and provides several tie-down points for securing cargo * Large 45-1/2"L x 41"W x 3-1/2"H cargo storage area with 3" spacing between rungs * Mounting requires round cross bars: 1.75"D, or square cross bars 1.75" wide x 1.75" thick, or rectangle cross bars: 4.75" wide x 1.125" thick. * The minimum distance between cross bars must be 27.5" * Heavy duty steel construction with a black powder-coat finish