The #1 selling anchor for re-roof, new construction and remodeling. The low-profile design is aesthetically pleasing and is designed to last the life of the structure. The Super Anchor Safety 2815 RetroFit is designed to give all who access the roof a reliable tie-off point. Installs with just 8 nails and comes with special butyl waterproof flashing strips to seal the stainless-steel nails. Fabricated with 430 stainless steel and certified for over 5,000 pounds.