System 30 ft for 2 Workers Lifeline Installation Reusable Workers per System 2 Compatible Attachment Points Concrete Mounting Type Bolt-On Hardware Material Steel Includes Cable and Hardware Chain Connectors Complete System Includes Stanchions Energy Absorber(s) Line Tension Indicator Slider Brackets Tie-Back Brackets Turnbuckle Includes Mounting Hardware Yes Includes Tie-Off Adapters No Retractable No