D-Ring Bolt Anchor Length 4 in For Maximum Rail Weight Not Applicable For Minimum Rail Head Width Not Applicable Workers per System 1 For Maximum Rail Head Width Not Applicable Depth 2 1/4 in Attachment Point Carabiner Anchor Material Steel Anchor Installation Permanent Mounting Orientation Horizontal Vertical Anchorage End Connection Bolt-On Beam Clamp Style Not Applicable ANSI Standards Met ANSI Z359.1 For Maximum Flange Width Not Applicable