"Iron Ridge XR 1000 Option D Racking Hardware" includes the XR1000 rails, mid clamps, end clamps, splices and other hardware need to install solar modules on a standard rooftop. Quick Mount PV and IronRidge Flashfoot are sold separately.   The XR1000 rail is the most heavy duty rail available from IronRidge.  All Ironridge rails are Anodized Aluminum Alloy. Iron Ridge provides a 10 year structural warranty and a 20 year manufacturer warranty.