3M DBI Sala Fall Protection 2100142 DBI-SALA® Roof Top Anchor DBI-SALA^® Roof Top Anchor, Bolt-On, Permanent Use – Each

Installs to 24-gauge or thicker metal, 5/8″ (1.6cm) wood and 3,000 PSI (21 MPa) concrete roofs
Accommodates roof ribs 10-20 in. (25.4-50.1cm) apart in 1 in. (2.5cm) increments
For use on flat or sloped (up to 3:12 pitch) roof decks
Multiple fastener options available