Roof Top Free Standing Counterwt Anchor, Anchor Installation Reusable, Anchor Material Cast Iron, Steel, Anchor Style Counterweight, Attachment Point Swivel D-Ring, Brand and Series 3M DBI-SALA, D-Ring Material Steel, Fits Standing Seams No, For Roof Orientation Flat, Inclined, For Surface Material Asphalt, Concrete, Hinged No, Includes Mounting Hardware Yes, Mounting Type Counterweight, Standards OSHA 1910.140, OSHA 1926.502, Tensile Strength 1,800 lb, Weight Capacity 310 lb