System 30 ft for 2 Workers Lifeline Installation Reusable For Minimum Flange Width 18 in Workers per System 2 Compatible Attachment Points Steel Mounting Type Bolt-On Hardware Material Steel Includes Cable and Hardware Complete System Includes Stanchions Energy Absorber(s) Line Tension Indicator Turnbuckle For Maximum Flange Width 4 in For Maximum Flange Thickness 2 1/4 in Includes Mounting Hardware Yes Includes Tie-Off Adapters No Retractable No