DBI-SALA roof anchors are ideal for connecting fall protection systems to the anchorage attached on flat / sloped concrete, metal or wood roofs in energy, transportation, construction and utility industries. They either screw on the roof surfaces or the clamp over them for providing fall arrest anchor point. They feature zinc-plated steel or steel construction for corrosion resistance, durability and maximum weight capacity of 310 lb. They have a swivelling tie-off point / hinged D- ring / self-adjusting O-ring tie-off point to maintain strength and ensure mobility.