The PMI® Mega swivel anchor may be used as a permanent or portable anchor. It is specifically designed for fall protection, work positioning, restraint, tie back anchoring, four-man life line systems, and more. This anchor can be removed and used again. The steel bolt is designed to be used in steel.Key Features: Works in both shear and tensile loads • D-ring rotates 360 degrees • D-ring flips 180 degrees • Heavy gauge zinc plated, forged, heat treated alloy steel • One steel bolt included