A simple, versatile and safe concrete anchor solution – for use in temporary or even permanent applications. Re-usable D-ring assembly, just install a new bolt and it’s ready for use again. Rugged design for harsh environments with no moving or fragile parts to foul-up. Safe “hook-up" indicator notifies the user the anchor has been installed properly. For flexibility, install into 11/16", 18mm or 3?4" holes – only standard drill bits needed. 5,000 lb. rated, OSHA compatible connection point swivels 360 degrees for safety and usability. Meets or exceeds all applicable industry standards including OSHA, ANSI and ASTM E488 Standard Test Methods for Strength of Anchors. DBI-SALA manufactures the industry's widest range of anchorage connectors, combining ease of use, light weight and high strength. The concrete D-ring anchor offers a compact, reliable connection point for your fall protection system.