Additional oversized or overweight packages might have additional charges. Additional $15 shipping will be charged at checkout.You will be notified, prior to processing, of any additional surcharge and for your approval. The charge will be added at the time of processing your purchase. Your order will not be shipped until we receive your approval. This product can not be shipped to Alaska, Hawaii, Puerto Rico or the Virgin Islands. The shipping rate will be viewed on the checkout page.The Yakima 50 in. CoreBars Crossbars are designed for Yakima StreamLine Series Car Roof Rack Towers and are the first steel aero crossbars to hit the market. The CoreBars are designed and constructed with galvanized roll formed steel and a black vinyl protective cover.Wind tunnel tested JetFlow(TM) teardrop shape is strong, quiet and exceptionally aerodynamicRoll-formed galvanized steel holds the loadSleek aerodynamic design looks awesome on your car's roofVinyl wrapped for durability and corrosion resistanceCompatible with all StreamLine System Towers