Beam Clamp Length 20 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 1/2 in Attachment Point Swivel D-Ring Anchor Material Aluminum Anchor Installation Reusable Mounting Orientation Horizontal Anchorage End Connection Clamp Beam Clamp Style Sliding ANSI Standards Met ANSI Z359.18-2017 For Maximum Flange Width 12 1/4 in For Minimum Flange Width 3 in Weight Capacity 425 lb