When you purchase 1" flat roof corner fittings from Canopies and Tarps, you are promised stability at an affordable price. The corner pieces have been crafted at a perfect 90-degree angle with welded connections for assured dependability. Your purchase is completed with eyebolts to secure your corner pieces and make your anxieties a thing of the past. The flat roof corner fitting has been designed with an inside diameter of 1 1/4". Galvanized with zinc to prevent rusting, we guarantee that this product will outlive your expectations.