Designed for attachment to pre-stressed concrete beams with rebar or shear studs. Bases fit 1/2” to 1” dia. rebar (#4 to #8) with 4” to 12” center to center. Stanchions are adjustable from vertical 20° left or right for easy passage. Pass-thru brackets provides bypass capabilities for continuous connection, complete horizontal mobility and 100% protection. Fast, easy installation and storage for maximum worker productivity. Zorbit™ energy absorber limits fall arrest forces to safe levels, minimizes fall clearance needed and protects the structure.