Smart Lock Self-Retracting Lifeline, 20', Galvanized Steel, SwivelRugged and extremely lightweight thermoplastic housing with built in ergonomic handle 4ft. fall clearance allows workers up to 310 lbs. to meet OSHA's 1910 general industry rule Patented magnetic retraction control system allows lifeline retract smoothly, hands free Swiveling anchorage point and carabiner included Patented dual label system located within ergonomic cable handle to simplify inspections and reduce the need for replacement Swiveling snap