Parapet Wall Anchor Maximum Hole Depth Not Applicable Number of Bolts Included 3 Weight Capacity 310 lb Anchor Material Steel Anchor Installation Reusable Tensile Strength 5 000 lb Attachment Point D-Ring Overall Length 22 in Width 15 in Detent Anchor Components Not Applicable ANSI Standards Met ANSI Z359.18 OSHA Standards Met OSHA 1910.140 OSHA 1926.502 Adjustment Style Threaded Knob Mounting Type Clamp-On Ring Inside Diameter 3 3/4 in Workers per System 1