The DBI Sala SecuraSpan I-Beam Horizontal Lifeline Stanchion with Base incorporates a modular, multi-base design that accommodates a wide range of steel and concrete beams. Spans can be up to 60 ft (18.3 m) and with the optional bypass brackets, the system can be configured to run indefinitely for ultimate jobsite flexibility. This Stanchion fits 6 to 12 in. flanges up to 2-1/4 in. thick and has a simple clamp and wing nut installation.