Designed to be used as a single anchor point for no more than one person at a time. Will fit any roof pitch, wood or steel. Must use a minimum of 12 #8 x 2" wood screws and a minimum of 10 #8 x 3/4" long sheet metal screws per side on steel roofs 24 gauge or thicker. Meets OSHA 1926.502 regulation and ANSI Z359.1 and A10.32 standards. (20) Roofing nails included
(SafeWaze)