Stanchion for pre-stressed concrete beams that is lightweight and extremely easy to install. Bases attach directly to loop rebar. Fits 1/2" to 4 1/2" dia. rebar (#4 to #12). Adjusts to fit 3 1/2" to 8" tall loop with 3" or greater spacing. With integrated pass-through brackets, system can be configured to run indefinitely for continuous connection, complete horizontal mobility and 100% protection.