FeaturesInstalls to 24 ga or thicker metal, 5/8 in (1.6 cm) wood and 3000 psi (21 MPa) concrete roofsAccommodates roof ribs 10 to 20 in apart in 1 in incrementsFor use on flat or sloped (up to 3:12 pitch) roof decksMultiple fastener options availableExtremely fast and efficient installationUnique load distributing design protects roof and userSwiveling tie-off point for complete mobilityCorrosion-resistant construction and coatingCompatible with various fall arrest connecting systemsMulti-person use with horizontal lifeline system