Sunoptics® offers multiple skylight fall protection product to meet individual needs for safety and security. The Sunoptics® External Skylight Fall-Protection Guard installs above the skylight with grillwork openings no more than 4" x 4". It has a 75,000 PSI tensile strength. Sunoptics fall protection products are made in the USA. They are tested and certified by third-party independent organizations to ensure compliance to safety (OSHA), quality and performance standards with or without a dome. Clips and screws for installation come standard with product.