The patented design is flashed into the roofing membrane as a permanent fixture that provides fall protection during the construction phase as well as for all warranty and maintenance workers. The ARS series anchors attaches easily to a 2 X 4 top cord with a single grade 8 bolt provided with each kit. In event of a fall, the anchor stem folds over reducing shock load. Installs at framing stage for use during and after initial phase of construction. All stainless steel construction with grade 8 hardware. Specifically built for wood frame residential construction. Sized to fit 2 X 4 framing members. 100% water proof flashing bases for no leaks. 310 lbs capacity. Kit includes ARS anchors, flashing, stem covers, tether straps, bolt kits and manual. Stainless steel anchors and Santoprene flashing is maintenance free and will last the lifetime of the roof. Price includes freight charge. Meets or exceeds all applicable OSHA and ANSI standards. Weight 9 lbs.