Peakworks Fall Protection V8229100 Industrial/Construction Reusable Roof Anchor Bracket, Hinged, OSHA/ANSI Compliant, Temporary, Red (Anchor Screws Sold Seperately) Meets ANSI Z359.18, CSA Z259.15 and OSHA requirements Reusable roof anchor bracket - Use screw size: 3" x #10 ( 32 screws / 16 per side ) Built with a minimum tensile strength of 5,000 lbs; 310-lb capacity ( 1 worker ) Used during residential or commercial roofing operations Connect anchor to wood surfaces