Roof Anchor Anchor Installation Permanent Anchor Material Steel Anchor Style Post Attachment Point Swivel D-Ring Brand and Series 3M DBI-SALA D-Ring Material Steel Fits Standing Seams No For Roof Orientation Flat For Surface Material Concrete Metal Wood Hinged No Includes Mounting Hardware Yes Length 21 3/4 in Mounting Type Bolt-On Standards OSHA 1910.140 OSHA 1926.502 Tensile Strength 5 000 lb Weight Capacity 310 lb Width 17 3/4 in Workers per System 1