Heavy-Duty Construction: Bottom metal bars and side rails help keeping your belongings in place while providing plenty of tie down points. Powder Coated Finish: Black powder coated finish, Steel wind fairing is included to reducing wind resistance & noise. 250LBS Capacity: Free up space in your vehicle with a roof rack cargo basket that safely and securely holds up to 250 lbs of cargo, gear and equipment. NOTE: In order to avoid the rusting issue,using silicone sealant on the joint and welds in the assembly process is a valid measures. Please remove the luggage rack before washing the car automatically. Adjustable Fit: Easy assembly and adjustable mounting to most round, square, aero and factory installed crossbars on a variety of cars, trucks, SUVs, vans and other large vehicles using U-bolts. Suitable for all models, such as SUV, BMW, Jeep Cherokee, Honda, Pioneer, GMC Jimmy, Subaru Ober, etc. Specification: Color: Black; Finish: Power Coated; Material: Steel; Weight Capacity: 250LBS; Wind Fairing Dimension: 33.5" x 7"; Bolt Spacing: 1-7/8" x 3 3/4"; Overall Dimensions w/No Extension: 43"(L) x 38"(W) x 4"(H); Overall Dimension w/ Extension: 67"(L) x 38"(W) x 4"(H).