The RS-20 anchor is a permanent roof anchor designed specifically for tile, slate, wood and synthetic roofing materials. The 20 in long strap allows you to adjust the reveal of the D-ring for your specific roofing material and the unique design of the anchor also allows you to physically bend the D-ring portion of the anchor up and over the tile or slate so that it lays flat on the surface. This permanent, low profile anchor comes with stainless steel attachment hardware and comprehensive installation instructions. Available with a "Dual Hole" option to accept larger diameter fasteners to give you more mounting options. We can supply you with special, high strength Head-Lok Fasteners up to 12 in long for deeper substrate installation. Perfect for installing over SIPS panels.