Traditional square load bars in steel with black, plastic coating. Reinforced (3 mm). The square bars are made of corrosion resistant, galvanized steel and are coated in black polymer to provide extra grip for your cargo. This roof rack has a classic design which also makes it compatible with a wide range of cargo carriers and rooftop accessories. Thule constantly aims to stay one step ahead of the curve, that´s why roof rack systems like this one can take a heavier load than most roof racks on the market.Features:- Standard steel load bar available in a variety of lengths- Plastic coating provides additional grip for rooftop cargoSpecifications: - Dimensions (LxWxH): 220 cm x 5 x 3.5 cm- Weight: 8.55 kg- Maximum load: 100 kg.