Permanent roof anchor for open trusses, joists and rafters complete with integral D-ring anchorage point and flashing to prevent water leakage through roof. Weather-tight cap hides and protects anchor from corrosion by sealing it from the environment. Simple installation by clamping onto joist, rafter, or other roof member. 5,000-lb. Minimum breaking strength. Meets all applicable OSHA regulations and ANSI standards.